Home / 87,617.30-131,471.85-40,246.70

Finding the Fourth Proportional to 87,617.30, 131,471.85 and 40,246.70

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Solution

The fourth proportional to 87,617.30, 131,471.85 and 40,246.70 is: 60,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,617.30 : 131,471.85 = 40,246.70 : x
  2. Step 2: Convert to fraction form
    87,617.30/131,471.85 = 40,246.70/x
  3. Step 3: Cross multiply
    87,617.30x = 131,471.85 × 40,246.70
  4. Step 4: Simplify right side
    87,617.30x = 5,291,308,105.40
  5. Step 5: Solve for x
    x = 5,291,308,105.40/87,617.30
  6. Step 6: Final answer
    x = 60,391.13

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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.