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Finding the Fourth Proportional to 75,674.80, 113,431.20 and 25,708.60

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Solution

The fourth proportional to 75,674.80, 113,431.20 and 25,708.60 is: 38,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,674.80 : 113,431.20 = 25,708.60 : x
  2. Step 2: Convert to fraction form
    75,674.80/113,431.20 = 25,708.60/x
  3. Step 3: Cross multiply
    75,674.80x = 113,431.20 × 25,708.60
  4. Step 4: Simplify right side
    75,674.80x = 2,916,157,348.32
  5. Step 5: Solve for x
    x = 2,916,157,348.32/75,674.80
  6. Step 6: Final answer
    x = 38,535.38

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