Home / 87,434.48-131,282.92-50,036.78

Finding the Fourth Proportional to 87,434.48, 131,282.92 and 50,036.78

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Solution

The fourth proportional to 87,434.48, 131,282.92 and 50,036.78 is: 75,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,434.48 : 131,282.92 = 50,036.78 : x
  2. Step 2: Convert to fraction form
    87,434.48/131,282.92 = 50,036.78/x
  3. Step 3: Cross multiply
    87,434.48x = 131,282.92 × 50,036.78
  4. Step 4: Simplify right side
    87,434.48x = 6,568,974,585.80
  5. Step 5: Solve for x
    x = 6,568,974,585.80/87,434.48
  6. Step 6: Final answer
    x = 75,130.25

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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.