Finding the Fourth Proportional to 71,457.33, 107,170.35 and 29,295.92
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Solution
The fourth proportional to 71,457.33, 107,170.35 and 29,295.92 is: 43,937.47
Step by Step Solution
- Step 1: Write the proportion equation
71,457.33 : 107,170.35 = 29,295.92 : x - Step 2: Convert to fraction form
71,457.33/107,170.35 = 29,295.92/x - Step 3: Cross multiply
71,457.33x = 107,170.35 × 29,295.92 - Step 4: Simplify right side
71,457.33x = 3,139,654,267.90 - Step 5: Solve for x
x = 3,139,654,267.90/71,457.33 - Step 6: Final answer
x = 43,937.47
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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.