Home / 87,730.92-131,650.38-40,988.52

Finding the Fourth Proportional to 87,730.92, 131,650.38 and 40,988.52

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Solution

The fourth proportional to 87,730.92, 131,650.38 and 40,988.52 is: 61,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,730.92 : 131,650.38 = 40,988.52 : x
  2. Step 2: Convert to fraction form
    87,730.92/131,650.38 = 40,988.52/x
  3. Step 3: Cross multiply
    87,730.92x = 131,650.38 × 40,988.52
  4. Step 4: Simplify right side
    87,730.92x = 5,396,154,233.64
  5. Step 5: Solve for x
    x = 5,396,154,233.64/87,730.92
  6. Step 6: Final answer
    x = 61,508.01

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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.