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Finding the Fourth Proportional to 80,643.52, 111,232.80 and 48,757.12

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Solution

The fourth proportional to 80,643.52, 111,232.80 and 48,757.12 is: 67,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.52 : 111,232.80 = 48,757.12 : x
  2. Step 2: Convert to fraction form
    80,643.52/111,232.80 = 48,757.12/x
  3. Step 3: Cross multiply
    80,643.52x = 111,232.80 × 48,757.12
  4. Step 4: Simplify right side
    80,643.52x = 5,423,390,977.54
  5. Step 5: Solve for x
    x = 5,423,390,977.54/80,643.52
  6. Step 6: Final answer
    x = 67,251.42

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