Home / 87,412.71-131,115.69-25,083.21

Finding the Fourth Proportional to 87,412.71, 131,115.69 and 25,083.21

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Solution

The fourth proportional to 87,412.71, 131,115.69 and 25,083.21 is: 37,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,412.71 : 131,115.69 = 25,083.21 : x
  2. Step 2: Convert to fraction form
    87,412.71/131,115.69 = 25,083.21/x
  3. Step 3: Cross multiply
    87,412.71x = 131,115.69 × 25,083.21
  4. Step 4: Simplify right side
    87,412.71x = 3,288,802,386.56
  5. Step 5: Solve for x
    x = 3,288,802,386.56/87,412.71
  6. Step 6: Final answer
    x = 37,623.85

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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.