Finding the Fourth Proportional to 82,079.92, 123,125.84 and 29,489.84
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Solution
The fourth proportional to 82,079.92, 123,125.84 and 29,489.84 is: 44,236.90
Step by Step Solution
- Step 1: Write the proportion equation
82,079.92 : 123,125.84 = 29,489.84 : x - Step 2: Convert to fraction form
82,079.92/123,125.84 = 29,489.84/x - Step 3: Cross multiply
82,079.92x = 123,125.84 × 29,489.84 - Step 4: Simplify right side
82,079.92x = 3,630,961,321.47 - Step 5: Solve for x
x = 3,630,961,321.47/82,079.92 - Step 6: Final answer
x = 44,236.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.