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Finding the Fourth Proportional to 80,027.20, 110,468.64 and 71,629.12

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Solution

The fourth proportional to 80,027.20, 110,468.64 and 71,629.12 is: 98,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,027.20 : 110,468.64 = 71,629.12 : x
  2. Step 2: Convert to fraction form
    80,027.20/110,468.64 = 71,629.12/x
  3. Step 3: Cross multiply
    80,027.20x = 110,468.64 × 71,629.12
  4. Step 4: Simplify right side
    80,027.20x = 7,912,771,470.80
  5. Step 5: Solve for x
    x = 7,912,771,470.80/80,027.20
  6. Step 6: Final answer
    x = 98,876.03

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