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Finding the Fourth Proportional to 75,633.70, 113,441.90 and 20,234.02

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Solution

The fourth proportional to 75,633.70, 113,441.90 and 20,234.02 is: 30,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,633.70 : 113,441.90 = 20,234.02 : x
  2. Step 2: Convert to fraction form
    75,633.70/113,441.90 = 20,234.02/x
  3. Step 3: Cross multiply
    75,633.70x = 113,441.90 × 20,234.02
  4. Step 4: Simplify right side
    75,633.70x = 2,295,385,673.44
  5. Step 5: Solve for x
    x = 2,295,385,673.44/75,633.70
  6. Step 6: Final answer
    x = 30,348.72

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