Home / 87,908.97-131,867.09-25,579.47

Finding the Fourth Proportional to 87,908.97, 131,867.09 and 25,579.47

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Solution

The fourth proportional to 87,908.97, 131,867.09 and 25,579.47 is: 38,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.97 : 131,867.09 = 25,579.47 : x
  2. Step 2: Convert to fraction form
    87,908.97/131,867.09 = 25,579.47/x
  3. Step 3: Cross multiply
    87,908.97x = 131,867.09 × 25,579.47
  4. Step 4: Simplify right side
    87,908.97x = 3,373,090,272.64
  5. Step 5: Solve for x
    x = 3,373,090,272.64/87,908.97
  6. Step 6: Final answer
    x = 38,370.26

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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.