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Finding the Fourth Proportional to 80,393.86, 120,589.35 and 32,998.66

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Solution

The fourth proportional to 80,393.86, 120,589.35 and 32,998.66 is: 49,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,393.86 : 120,589.35 = 32,998.66 : x
  2. Step 2: Convert to fraction form
    80,393.86/120,589.35 = 32,998.66/x
  3. Step 3: Cross multiply
    80,393.86x = 120,589.35 × 32,998.66
  4. Step 4: Simplify right side
    80,393.86x = 3,979,286,960.27
  5. Step 5: Solve for x
    x = 3,979,286,960.27/80,393.86
  6. Step 6: Final answer
    x = 49,497.40

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