Home / 87,434.22-131,282.55-50,036.52

Finding the Fourth Proportional to 87,434.22, 131,282.55 and 50,036.52

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Solution

The fourth proportional to 87,434.22, 131,282.55 and 50,036.52 is: 75,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,434.22 : 131,282.55 = 50,036.52 : x
  2. Step 2: Convert to fraction form
    87,434.22/131,282.55 = 50,036.52/x
  3. Step 3: Cross multiply
    87,434.22x = 131,282.55 × 50,036.52
  4. Step 4: Simplify right side
    87,434.22x = 6,568,921,938.73
  5. Step 5: Solve for x
    x = 6,568,921,938.73/87,434.22
  6. Step 6: Final answer
    x = 75,129.87

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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.