Home / 87,517.12-120,772.08-49,790.56

Finding the Fourth Proportional to 87,517.12, 120,772.08 and 49,790.56

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Solution

The fourth proportional to 87,517.12, 120,772.08 and 49,790.56 is: 68,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,517.12 : 120,772.08 = 49,790.56 : x
  2. Step 2: Convert to fraction form
    87,517.12/120,772.08 = 49,790.56/x
  3. Step 3: Cross multiply
    87,517.12x = 120,772.08 × 49,790.56
  4. Step 4: Simplify right side
    87,517.12x = 6,013,309,495.56
  5. Step 5: Solve for x
    x = 6,013,309,495.56/87,517.12
  6. Step 6: Final answer
    x = 68,710.09

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