Home / 87,879.38-131,841.54-25,549.88

Finding the Fourth Proportional to 87,879.38, 131,841.54 and 25,549.88

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Solution

The fourth proportional to 87,879.38, 131,841.54 and 25,549.88 is: 38,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,879.38 : 131,841.54 = 25,549.88 : x
  2. Step 2: Convert to fraction form
    87,879.38/131,841.54 = 25,549.88/x
  3. Step 3: Cross multiply
    87,879.38x = 131,841.54 × 25,549.88
  4. Step 4: Simplify right side
    87,879.38x = 3,368,535,526.02
  5. Step 5: Solve for x
    x = 3,368,535,526.02/87,879.38
  6. Step 6: Final answer
    x = 38,331.35

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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.