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Finding the Fourth Proportional to 81,497.71, 112,469.77 and 47,500.73

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Solution

The fourth proportional to 81,497.71, 112,469.77 and 47,500.73 is: 65,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,497.71 : 112,469.77 = 47,500.73 : x
  2. Step 2: Convert to fraction form
    81,497.71/112,469.77 = 47,500.73/x
  3. Step 3: Cross multiply
    81,497.71x = 112,469.77 × 47,500.73
  4. Step 4: Simplify right side
    81,497.71x = 5,342,395,829.53
  5. Step 5: Solve for x
    x = 5,342,395,829.53/81,497.71
  6. Step 6: Final answer
    x = 65,552.71

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