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Finding the Fourth Proportional to 75,469.80, 113,277.60 and 45,945.30

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Solution

The fourth proportional to 75,469.80, 113,277.60 and 45,945.30 is: 68,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.80 : 113,277.60 = 45,945.30 : x
  2. Step 2: Convert to fraction form
    75,469.80/113,277.60 = 45,945.30/x
  3. Step 3: Cross multiply
    75,469.80x = 113,277.60 × 45,945.30
  4. Step 4: Simplify right side
    75,469.80x = 5,204,573,315.28
  5. Step 5: Solve for x
    x = 5,204,573,315.28/75,469.80
  6. Step 6: Final answer
    x = 68,962.33

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