Home / 87,487.12-131,231.76-34,865.92

Finding the Fourth Proportional to 87,487.12, 131,231.76 and 34,865.92

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Solution

The fourth proportional to 87,487.12, 131,231.76 and 34,865.92 is: 52,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,487.12 : 131,231.76 = 34,865.92 : x
  2. Step 2: Convert to fraction form
    87,487.12/131,231.76 = 34,865.92/x
  3. Step 3: Cross multiply
    87,487.12x = 131,231.76 × 34,865.92
  4. Step 4: Simplify right side
    87,487.12x = 4,575,516,045.62
  5. Step 5: Solve for x
    x = 4,575,516,045.62/87,487.12
  6. Step 6: Final answer
    x = 52,299.31

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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.