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Finding the Fourth Proportional to 83,471.78, 125,152.09 and 43,392.29

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Solution

The fourth proportional to 83,471.78, 125,152.09 and 43,392.29 is: 65,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,471.78 : 125,152.09 = 43,392.29 : x
  2. Step 2: Convert to fraction form
    83,471.78/125,152.09 = 43,392.29/x
  3. Step 3: Cross multiply
    83,471.78x = 125,152.09 × 43,392.29
  4. Step 4: Simplify right side
    83,471.78x = 5,430,635,049.14
  5. Step 5: Solve for x
    x = 5,430,635,049.14/83,471.78
  6. Step 6: Final answer
    x = 65,059.53

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