Home / 87,720.74-131,594.07-25,383.14

Finding the Fourth Proportional to 87,720.74, 131,594.07 and 25,383.14

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Solution

The fourth proportional to 87,720.74, 131,594.07 and 25,383.14 is: 38,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,720.74 : 131,594.07 = 25,383.14 : x
  2. Step 2: Convert to fraction form
    87,720.74/131,594.07 = 25,383.14/x
  3. Step 3: Cross multiply
    87,720.74x = 131,594.07 × 25,383.14
  4. Step 4: Simplify right side
    87,720.74x = 3,340,270,044.01
  5. Step 5: Solve for x
    x = 3,340,270,044.01/87,720.74
  6. Step 6: Final answer
    x = 38,078.45

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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.