Home / 87,591.36-131,406.48-25,257.04

Finding the Fourth Proportional to 87,591.36, 131,406.48 and 25,257.04

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Solution

The fourth proportional to 87,591.36, 131,406.48 and 25,257.04 is: 37,891.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.36 : 131,406.48 = 25,257.04 : x
  2. Step 2: Convert to fraction form
    87,591.36/131,406.48 = 25,257.04/x
  3. Step 3: Cross multiply
    87,591.36x = 131,406.48 × 25,257.04
  4. Step 4: Simplify right side
    87,591.36x = 3,318,938,721.62
  5. Step 5: Solve for x
    x = 3,318,938,721.62/87,591.36
  6. Step 6: Final answer
    x = 37,891.17

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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.