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Finding the Fourth Proportional to 75,454.72, 104,129.76 and 43,620.80

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Solution

The fourth proportional to 75,454.72, 104,129.76 and 43,620.80 is: 60,198.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,454.72 : 104,129.76 = 43,620.80 : x
  2. Step 2: Convert to fraction form
    75,454.72/104,129.76 = 43,620.80/x
  3. Step 3: Cross multiply
    75,454.72x = 104,129.76 × 43,620.80
  4. Step 4: Simplify right side
    75,454.72x = 4,542,223,435.01
  5. Step 5: Solve for x
    x = 4,542,223,435.01/75,454.72
  6. Step 6: Final answer
    x = 60,198.00

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