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Finding the Fourth Proportional to 81,335.97, 112,242.54 and 45,525.99

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Solution

The fourth proportional to 81,335.97, 112,242.54 and 45,525.99 is: 62,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,335.97 : 112,242.54 = 45,525.99 : x
  2. Step 2: Convert to fraction form
    81,335.97/112,242.54 = 45,525.99/x
  3. Step 3: Cross multiply
    81,335.97x = 112,242.54 × 45,525.99
  4. Step 4: Simplify right side
    81,335.97x = 5,109,952,753.61
  5. Step 5: Solve for x
    x = 5,109,952,753.61/81,335.97
  6. Step 6: Final answer
    x = 62,825.25

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