Home / 87,878.25-131,839.85-25,548.75

Finding the Fourth Proportional to 87,878.25, 131,839.85 and 25,548.75

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Solution

The fourth proportional to 87,878.25, 131,839.85 and 25,548.75 is: 38,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,878.25 : 131,839.85 = 25,548.75 : x
  2. Step 2: Convert to fraction form
    87,878.25/131,839.85 = 25,548.75/x
  3. Step 3: Cross multiply
    87,878.25x = 131,839.85 × 25,548.75
  4. Step 4: Simplify right side
    87,878.25x = 3,368,343,431.56
  5. Step 5: Solve for x
    x = 3,368,343,431.56/87,878.25
  6. Step 6: Final answer
    x = 38,329.66

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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.