Home / 87,406.80-131,110.92-25,079.28

Finding the Fourth Proportional to 87,406.80, 131,110.92 and 25,079.28

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Solution

The fourth proportional to 87,406.80, 131,110.92 and 25,079.28 is: 37,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,406.80 : 131,110.92 = 25,079.28 : x
  2. Step 2: Convert to fraction form
    87,406.80/131,110.92 = 25,079.28/x
  3. Step 3: Cross multiply
    87,406.80x = 131,110.92 × 25,079.28
  4. Step 4: Simplify right side
    87,406.80x = 3,288,167,473.74
  5. Step 5: Solve for x
    x = 3,288,167,473.74/87,406.80
  6. Step 6: Final answer
    x = 37,619.13

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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.