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Finding the Fourth Proportional to 66,769.52, 100,171.35 and 47,086.52

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Solution

The fourth proportional to 66,769.52, 100,171.35 and 47,086.52 is: 70,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,769.52 : 100,171.35 = 47,086.52 : x
  2. Step 2: Convert to fraction form
    66,769.52/100,171.35 = 47,086.52/x
  3. Step 3: Cross multiply
    66,769.52x = 100,171.35 × 47,086.52
  4. Step 4: Simplify right side
    66,769.52x = 4,716,719,774.35
  5. Step 5: Solve for x
    x = 4,716,719,774.35/66,769.52
  6. Step 6: Final answer
    x = 70,641.82

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