If you mean Balance Badge in Petalburg City. You need to go in Fortree City. Simple huh?
With the seventh badge in Pokemon Ruby version, you can control caught or traded Pokemon up to level 70.
In Pokemon Red, the fifth badge is possessed by the Poison-Type Koga. The badge is named Soul Badge. It lets you use Surf outside of Battle.
You can get the 6th badge by defeating your father in petalburg.
Lavarage its in. ST4282
Head to lavaridge town for your next badge.
Hearthome
Fuschia city.
hearthome city
Petalburg City.
Hearthome City.
if you mean: the fifth badge, you need to go to Petalburg city