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Finding the Fourth Proportional to 81,694.32, 122,454.36 and 46,558.32

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Solution

The fourth proportional to 81,694.32, 122,454.36 and 46,558.32 is: 69,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,694.32 : 122,454.36 = 46,558.32 : x
  2. Step 2: Convert to fraction form
    81,694.32/122,454.36 = 46,558.32/x
  3. Step 3: Cross multiply
    81,694.32x = 122,454.36 × 46,558.32
  4. Step 4: Simplify right side
    81,694.32x = 5,701,269,278.28
  5. Step 5: Solve for x
    x = 5,701,269,278.28/81,694.32
  6. Step 6: Final answer
    x = 69,787.83

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