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Finding the Fourth Proportional to 73,099.97, 100,878.26 and 39,565.97

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Solution

The fourth proportional to 73,099.97, 100,878.26 and 39,565.97 is: 54,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,099.97 : 100,878.26 = 39,565.97 : x
  2. Step 2: Convert to fraction form
    73,099.97/100,878.26 = 39,565.97/x
  3. Step 3: Cross multiply
    73,099.97x = 100,878.26 × 39,565.97
  4. Step 4: Simplify right side
    73,099.97x = 3,991,346,107.44
  5. Step 5: Solve for x
    x = 3,991,346,107.44/73,099.97
  6. Step 6: Final answer
    x = 54,601.20

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