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Finding the Fourth Proportional to 81,884.37, 122,629.73 and 46,717.41

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Solution

The fourth proportional to 81,884.37, 122,629.73 and 46,717.41 is: 69,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,884.37 : 122,629.73 = 46,717.41 : x
  2. Step 2: Convert to fraction form
    81,884.37/122,629.73 = 46,717.41/x
  3. Step 3: Cross multiply
    81,884.37x = 122,629.73 × 46,717.41
  4. Step 4: Simplify right side
    81,884.37x = 5,728,943,141.01
  5. Step 5: Solve for x
    x = 5,728,943,141.01/81,884.37
  6. Step 6: Final answer
    x = 69,963.82

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