Home / 87,831.52-131,753.96-34,497.76

Finding the Fourth Proportional to 87,831.52, 131,753.96 and 34,497.76

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Solution

The fourth proportional to 87,831.52, 131,753.96 and 34,497.76 is: 51,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,831.52 : 131,753.96 = 34,497.76 : x
  2. Step 2: Convert to fraction form
    87,831.52/131,753.96 = 34,497.76/x
  3. Step 3: Cross multiply
    87,831.52x = 131,753.96 × 34,497.76
  4. Step 4: Simplify right side
    87,831.52x = 4,545,216,491.13
  5. Step 5: Solve for x
    x = 4,545,216,491.13/87,831.52
  6. Step 6: Final answer
    x = 51,749.26

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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.