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Finding the Fourth Proportional to 75,545.20, 113,314.20 and 25,620.40

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Solution

The fourth proportional to 75,545.20, 113,314.20 and 25,620.40 is: 38,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.20 : 113,314.20 = 25,620.40 : x
  2. Step 2: Convert to fraction form
    75,545.20/113,314.20 = 25,620.40/x
  3. Step 3: Cross multiply
    75,545.20x = 113,314.20 × 25,620.40
  4. Step 4: Simplify right side
    75,545.20x = 2,903,155,129.68
  5. Step 5: Solve for x
    x = 2,903,155,129.68/75,545.20
  6. Step 6: Final answer
    x = 38,429.38

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