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Finding the Fourth Proportional to 92,330.76, 138,446.87 and 47,912.79

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Solution

The fourth proportional to 92,330.76, 138,446.87 and 47,912.79 is: 71,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,330.76 : 138,446.87 = 47,912.79 : x
  2. Step 2: Convert to fraction form
    92,330.76/138,446.87 = 47,912.79/x
  3. Step 3: Cross multiply
    92,330.76x = 138,446.87 × 47,912.79
  4. Step 4: Simplify right side
    92,330.76x = 6,633,375,568.90
  5. Step 5: Solve for x
    x = 6,633,375,568.90/92,330.76
  6. Step 6: Final answer
    x = 71,843.61

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