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Finding the Fourth Proportional to 83,351.81, 115,025.55 and 47,540.90

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Solution

The fourth proportional to 83,351.81, 115,025.55 and 47,540.90 is: 65,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,351.81 : 115,025.55 = 47,540.90 : x
  2. Step 2: Convert to fraction form
    83,351.81/115,025.55 = 47,540.90/x
  3. Step 3: Cross multiply
    83,351.81x = 115,025.55 × 47,540.90
  4. Step 4: Simplify right side
    83,351.81x = 5,468,418,170.00
  5. Step 5: Solve for x
    x = 5,468,418,170.00/83,351.81
  6. Step 6: Final answer
    x = 65,606.47

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