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Finding the Fourth Proportional to 80,022.57, 120,059.48 and 56,031.85

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Solution

The fourth proportional to 80,022.57, 120,059.48 and 56,031.85 is: 84,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.57 : 120,059.48 = 56,031.85 : x
  2. Step 2: Convert to fraction form
    80,022.57/120,059.48 = 56,031.85/x
  3. Step 3: Cross multiply
    80,022.57x = 120,059.48 × 56,031.85
  4. Step 4: Simplify right side
    80,022.57x = 6,727,155,064.59
  5. Step 5: Solve for x
    x = 6,727,155,064.59/80,022.57
  6. Step 6: Final answer
    x = 84,065.73

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