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Finding the Fourth Proportional to 71,481.24, 98,650.08 and 39,649.56

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Solution

The fourth proportional to 71,481.24, 98,650.08 and 39,649.56 is: 54,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,481.24 : 98,650.08 = 39,649.56 : x
  2. Step 2: Convert to fraction form
    71,481.24/98,650.08 = 39,649.56/x
  3. Step 3: Cross multiply
    71,481.24x = 98,650.08 × 39,649.56
  4. Step 4: Simplify right side
    71,481.24x = 3,911,432,265.96
  5. Step 5: Solve for x
    x = 3,911,432,265.96/71,481.24
  6. Step 6: Final answer
    x = 54,719.70

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