Home / 87,512.39-131,275.46-43,114.92

Finding the Fourth Proportional to 87,512.39, 131,275.46 and 43,114.92

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Solution

The fourth proportional to 87,512.39, 131,275.46 and 43,114.92 is: 64,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512.39 : 131,275.46 = 43,114.92 : x
  2. Step 2: Convert to fraction form
    87,512.39/131,275.46 = 43,114.92/x
  3. Step 3: Cross multiply
    87,512.39x = 131,275.46 × 43,114.92
  4. Step 4: Simplify right side
    87,512.39x = 5,659,930,740.29
  5. Step 5: Solve for x
    x = 5,659,930,740.29/87,512.39
  6. Step 6: Final answer
    x = 64,675.77

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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.