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Finding the Fourth Proportional to 54,194.70, 81,279.90 and 35,605.20

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Solution

The fourth proportional to 54,194.70, 81,279.90 and 35,605.20 is: 53,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.70 : 81,279.90 = 35,605.20 : x
  2. Step 2: Convert to fraction form
    54,194.70/81,279.90 = 35,605.20/x
  3. Step 3: Cross multiply
    54,194.70x = 81,279.90 × 35,605.20
  4. Step 4: Simplify right side
    54,194.70x = 2,893,987,095.48
  5. Step 5: Solve for x
    x = 2,893,987,095.48/54,194.70
  6. Step 6: Final answer
    x = 53,399.82

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