Home / 107,831.76-161,838.52-45,546.96

Finding the Fourth Proportional to 107,831.76, 161,838.52 and 45,546.96

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Solution

The fourth proportional to 107,831.76, 161,838.52 and 45,546.96 is: 68,358.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.76 : 161,838.52 = 45,546.96 : x
  2. Step 2: Convert to fraction form
    107,831.76/161,838.52 = 45,546.96/x
  3. Step 3: Cross multiply
    107,831.76x = 161,838.52 × 45,546.96
  4. Step 4: Simplify right side
    107,831.76x = 7,371,252,596.90
  5. Step 5: Solve for x
    x = 7,371,252,596.90/107,831.76
  6. Step 6: Final answer
    x = 68,358.83

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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.