Home / 87,697.35-131,545.96-31,537.62

Finding the Fourth Proportional to 87,697.35, 131,545.96 and 31,537.62

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Solution

The fourth proportional to 87,697.35, 131,545.96 and 31,537.62 is: 47,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,697.35 : 131,545.96 = 31,537.62 : x
  2. Step 2: Convert to fraction form
    87,697.35/131,545.96 = 31,537.62/x
  3. Step 3: Cross multiply
    87,697.35x = 131,545.96 × 31,537.62
  4. Step 4: Simplify right side
    87,697.35x = 4,148,646,420.17
  5. Step 5: Solve for x
    x = 4,148,646,420.17/87,697.35
  6. Step 6: Final answer
    x = 47,306.41

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1.5x scale

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.