Home / 107,831.90-161,719.05-32,951.90

Finding the Fourth Proportional to 107,831.90, 161,719.05 and 32,951.90

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Solution

The fourth proportional to 107,831.90, 161,719.05 and 32,951.90 is: 49,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.90 : 161,719.05 = 32,951.90 : x
  2. Step 2: Convert to fraction form
    107,831.90/161,719.05 = 32,951.90/x
  3. Step 3: Cross multiply
    107,831.90x = 161,719.05 × 32,951.90
  4. Step 4: Simplify right side
    107,831.90x = 5,328,949,963.70
  5. Step 5: Solve for x
    x = 5,328,949,963.70/107,831.90
  6. Step 6: Final answer
    x = 49,419.05

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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.