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Finding the Fourth Proportional to 71,213.73, 98,277.36 and 39,380.73

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Solution

The fourth proportional to 71,213.73, 98,277.36 and 39,380.73 is: 54,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,213.73 : 98,277.36 = 39,380.73 : x
  2. Step 2: Convert to fraction form
    71,213.73/98,277.36 = 39,380.73/x
  3. Step 3: Cross multiply
    71,213.73x = 98,277.36 × 39,380.73
  4. Step 4: Simplify right side
    71,213.73x = 3,870,234,179.27
  5. Step 5: Solve for x
    x = 3,870,234,179.27/71,213.73
  6. Step 6: Final answer
    x = 54,346.74

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