Finding the Fourth Proportional to 71,720.80, 107,580.28 and 32,250.04
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Solution
The fourth proportional to 71,720.80, 107,580.28 and 32,250.04 is: 48,374.65
Step by Step Solution
- Step 1: Write the proportion equation
71,720.80 : 107,580.28 = 32,250.04 : x - Step 2: Convert to fraction form
71,720.80/107,580.28 = 32,250.04/x - Step 3: Cross multiply
71,720.80x = 107,580.28 × 32,250.04 - Step 4: Simplify right side
71,720.80x = 3,469,468,333.21 - Step 5: Solve for x
x = 3,469,468,333.21/71,720.80 - Step 6: Final answer
x = 48,374.65
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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.