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Finding the Fourth Proportional to 66,134.92, 91,266.48 and 35,920.48

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Solution

The fourth proportional to 66,134.92, 91,266.48 and 35,920.48 is: 49,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.92 : 91,266.48 = 35,920.48 : x
  2. Step 2: Convert to fraction form
    66,134.92/91,266.48 = 35,920.48/x
  3. Step 3: Cross multiply
    66,134.92x = 91,266.48 × 35,920.48
  4. Step 4: Simplify right side
    66,134.92x = 3,278,335,769.51
  5. Step 5: Solve for x
    x = 3,278,335,769.51/66,134.92
  6. Step 6: Final answer
    x = 49,570.42

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