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Finding the Fourth Proportional to 73,839.20, 110,758.80 and 54,010.40

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Solution

The fourth proportional to 73,839.20, 110,758.80 and 54,010.40 is: 81,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,839.20 : 110,758.80 = 54,010.40 : x
  2. Step 2: Convert to fraction form
    73,839.20/110,758.80 = 54,010.40/x
  3. Step 3: Cross multiply
    73,839.20x = 110,758.80 × 54,010.40
  4. Step 4: Simplify right side
    73,839.20x = 5,982,127,091.52
  5. Step 5: Solve for x
    x = 5,982,127,091.52/73,839.20
  6. Step 6: Final answer
    x = 81,015.60

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