Home / 87,317.76-131,000.82-34,764.15

Finding the Fourth Proportional to 87,317.76, 131,000.82 and 34,764.15

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Solution

The fourth proportional to 87,317.76, 131,000.82 and 34,764.15 is: 52,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.76 : 131,000.82 = 34,764.15 : x
  2. Step 2: Convert to fraction form
    87,317.76/131,000.82 = 34,764.15/x
  3. Step 3: Cross multiply
    87,317.76x = 131,000.82 × 34,764.15
  4. Step 4: Simplify right side
    87,317.76x = 4,554,131,982.78
  5. Step 5: Solve for x
    x = 4,554,131,982.78/87,317.76
  6. Step 6: Final answer
    x = 52,155.85

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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.