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Finding the Fourth Proportional to 83,697.60, 125,546.40 and 31,096.20

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Solution

The fourth proportional to 83,697.60, 125,546.40 and 31,096.20 is: 46,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,697.60 : 125,546.40 = 31,096.20 : x
  2. Step 2: Convert to fraction form
    83,697.60/125,546.40 = 31,096.20/x
  3. Step 3: Cross multiply
    83,697.60x = 125,546.40 × 31,096.20
  4. Step 4: Simplify right side
    83,697.60x = 3,904,015,963.68
  5. Step 5: Solve for x
    x = 3,904,015,963.68/83,697.60
  6. Step 6: Final answer
    x = 46,644.30

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