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Finding the Fourth Proportional to 90,593.62, 135,901.22 and 43,812.88

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Solution

The fourth proportional to 90,593.62, 135,901.22 and 43,812.88 is: 65,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593.62 : 135,901.22 = 43,812.88 : x
  2. Step 2: Convert to fraction form
    90,593.62/135,901.22 = 43,812.88/x
  3. Step 3: Cross multiply
    90,593.62x = 135,901.22 × 43,812.88
  4. Step 4: Simplify right side
    90,593.62x = 5,954,223,843.71
  5. Step 5: Solve for x
    x = 5,954,223,843.71/90,593.62
  6. Step 6: Final answer
    x = 65,724.54

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