Home / 87,938.45-131,915.45-24,759.11

Finding the Fourth Proportional to 87,938.45, 131,915.45 and 24,759.11

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Solution

The fourth proportional to 87,938.45, 131,915.45 and 24,759.11 is: 37,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,938.45 : 131,915.45 = 24,759.11 : x
  2. Step 2: Convert to fraction form
    87,938.45/131,915.45 = 24,759.11/x
  3. Step 3: Cross multiply
    87,938.45x = 131,915.45 × 24,759.11
  4. Step 4: Simplify right side
    87,938.45x = 3,266,109,488.41
  5. Step 5: Solve for x
    x = 3,266,109,488.41/87,938.45
  6. Step 6: Final answer
    x = 37,140.86

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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.