Home / 87,451.40-131,025.90-40,608.20

Finding the Fourth Proportional to 87,451.40, 131,025.90 and 40,608.20

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Solution

The fourth proportional to 87,451.40, 131,025.90 and 40,608.20 is: 60,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.40 : 131,025.90 = 40,608.20 : x
  2. Step 2: Convert to fraction form
    87,451.40/131,025.90 = 40,608.20/x
  3. Step 3: Cross multiply
    87,451.40x = 131,025.90 × 40,608.20
  4. Step 4: Simplify right side
    87,451.40x = 5,320,725,952.38
  5. Step 5: Solve for x
    x = 5,320,725,952.38/87,451.40
  6. Step 6: Final answer
    x = 60,842.09

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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.