Finding the Fourth Proportional to 71,635.38, 107,416.14 and 32,158.62
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Solution
The fourth proportional to 71,635.38, 107,416.14 and 32,158.62 is: 48,221.35
Step by Step Solution
- Step 1: Write the proportion equation
71,635.38 : 107,416.14 = 32,158.62 : x - Step 2: Convert to fraction form
71,635.38/107,416.14 = 32,158.62/x - Step 3: Cross multiply
71,635.38x = 107,416.14 × 32,158.62 - Step 4: Simplify right side
71,635.38x = 3,454,354,828.13 - Step 5: Solve for x
x = 3,454,354,828.13/71,635.38 - Step 6: Final answer
x = 48,221.35
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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.