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Finding the Fourth Proportional to 83,111.60, 124,664.20 and 27,707.60

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Solution

The fourth proportional to 83,111.60, 124,664.20 and 27,707.60 is: 41,560.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,111.60 : 124,664.20 = 27,707.60 : x
  2. Step 2: Convert to fraction form
    83,111.60/124,664.20 = 27,707.60/x
  3. Step 3: Cross multiply
    83,111.60x = 124,664.20 × 27,707.60
  4. Step 4: Simplify right side
    83,111.60x = 3,454,145,787.92
  5. Step 5: Solve for x
    x = 3,454,145,787.92/83,111.60
  6. Step 6: Final answer
    x = 41,560.33

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