Finding the Fourth Proportional to 82,492.84, 113,839.14 and 48,523.24
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Solution
The fourth proportional to 82,492.84, 113,839.14 and 48,523.24 is: 66,961.50
Step by Step Solution
- Step 1: Write the proportion equation
82,492.84 : 113,839.14 = 48,523.24 : x - Step 2: Convert to fraction form
82,492.84/113,839.14 = 48,523.24/x - Step 3: Cross multiply
82,492.84x = 113,839.14 × 48,523.24 - Step 4: Simplify right side
82,492.84x = 5,523,843,911.61 - Step 5: Solve for x
x = 5,523,843,911.61/82,492.84 - Step 6: Final answer
x = 66,961.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.