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Finding the Fourth Proportional to 80,238.30, 110,711.70 and 48,406.74

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Solution

The fourth proportional to 80,238.30, 110,711.70 and 48,406.74 is: 66,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.30 : 110,711.70 = 48,406.74 : x
  2. Step 2: Convert to fraction form
    80,238.30/110,711.70 = 48,406.74/x
  3. Step 3: Cross multiply
    80,238.30x = 110,711.70 × 48,406.74
  4. Step 4: Simplify right side
    80,238.30x = 5,359,192,476.86
  5. Step 5: Solve for x
    x = 5,359,192,476.86/80,238.30
  6. Step 6: Final answer
    x = 66,790.95

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