Home / 87,161.38-130,743.89-24,831.88

Finding the Fourth Proportional to 87,161.38, 130,743.89 and 24,831.88

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Solution

The fourth proportional to 87,161.38, 130,743.89 and 24,831.88 is: 37,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,161.38 : 130,743.89 = 24,831.88 : x
  2. Step 2: Convert to fraction form
    87,161.38/130,743.89 = 24,831.88/x
  3. Step 3: Cross multiply
    87,161.38x = 130,743.89 × 24,831.88
  4. Step 4: Simplify right side
    87,161.38x = 3,246,616,587.21
  5. Step 5: Solve for x
    x = 3,246,616,587.21/87,161.38
  6. Step 6: Final answer
    x = 37,248.34

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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.