Home / 87,849.27-131,775.53-31,693.59

Finding the Fourth Proportional to 87,849.27, 131,775.53 and 31,693.59

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Solution

The fourth proportional to 87,849.27, 131,775.53 and 31,693.59 is: 47,540.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,849.27 : 131,775.53 = 31,693.59 : x
  2. Step 2: Convert to fraction form
    87,849.27/131,775.53 = 31,693.59/x
  3. Step 3: Cross multiply
    87,849.27x = 131,775.53 × 31,693.59
  4. Step 4: Simplify right side
    87,849.27x = 4,176,439,461.38
  5. Step 5: Solve for x
    x = 4,176,439,461.38/87,849.27
  6. Step 6: Final answer
    x = 47,540.97

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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.