Finding the Fourth Proportional to 71,753.94, 107,670.55 and 29,624.17
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Solution
The fourth proportional to 71,753.94, 107,670.55 and 29,624.17 is: 44,452.62
Step by Step Solution
- Step 1: Write the proportion equation
71,753.94 : 107,670.55 = 29,624.17 : x - Step 2: Convert to fraction form
71,753.94/107,670.55 = 29,624.17/x - Step 3: Cross multiply
71,753.94x = 107,670.55 × 29,624.17 - Step 4: Simplify right side
71,753.94x = 3,189,650,677.19 - Step 5: Solve for x
x = 3,189,650,677.19/71,753.94 - Step 6: Final answer
x = 44,452.62
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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.