Home / 87,739.88-131,609.82-25,410.38

Finding the Fourth Proportional to 87,739.88, 131,609.82 and 25,410.38

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Solution

The fourth proportional to 87,739.88, 131,609.82 and 25,410.38 is: 38,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,739.88 : 131,609.82 = 25,410.38 : x
  2. Step 2: Convert to fraction form
    87,739.88/131,609.82 = 25,410.38/x
  3. Step 3: Cross multiply
    87,739.88x = 131,609.82 × 25,410.38
  4. Step 4: Simplify right side
    87,739.88x = 3,344,255,537.93
  5. Step 5: Solve for x
    x = 3,344,255,537.93/87,739.88
  6. Step 6: Final answer
    x = 38,115.57

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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.