Home / 87,502.26-131,255.25-31,346.02

Finding the Fourth Proportional to 87,502.26, 131,255.25 and 31,346.02

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Solution

The fourth proportional to 87,502.26, 131,255.25 and 31,346.02 is: 47,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.26 : 131,255.25 = 31,346.02 : x
  2. Step 2: Convert to fraction form
    87,502.26/131,255.25 = 31,346.02/x
  3. Step 3: Cross multiply
    87,502.26x = 131,255.25 × 31,346.02
  4. Step 4: Simplify right side
    87,502.26x = 4,114,329,691.61
  5. Step 5: Solve for x
    x = 4,114,329,691.61/87,502.26
  6. Step 6: Final answer
    x = 47,019.70

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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.