Home / 87,675.14-131,480.39-31,500.18

Finding the Fourth Proportional to 87,675.14, 131,480.39 and 31,500.18

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Solution

The fourth proportional to 87,675.14, 131,480.39 and 31,500.18 is: 47,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,675.14 : 131,480.39 = 31,500.18 : x
  2. Step 2: Convert to fraction form
    87,675.14/131,480.39 = 31,500.18/x
  3. Step 3: Cross multiply
    87,675.14x = 131,480.39 × 31,500.18
  4. Step 4: Simplify right side
    87,675.14x = 4,141,655,793.97
  5. Step 5: Solve for x
    x = 4,141,655,793.97/87,675.14
  6. Step 6: Final answer
    x = 47,238.66

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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.