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Finding the Fourth Proportional to 75,545.10, 113,404.95 and 40,553.10

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Solution

The fourth proportional to 75,545.10, 113,404.95 and 40,553.10 is: 60,876.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,545.10 : 113,404.95 = 40,553.10 : x
  2. Step 2: Convert to fraction form
    75,545.10/113,404.95 = 40,553.10/x
  3. Step 3: Cross multiply
    75,545.10x = 113,404.95 × 40,553.10
  4. Step 4: Simplify right side
    75,545.10x = 4,598,922,277.85
  5. Step 5: Solve for x
    x = 4,598,922,277.85/75,545.10
  6. Step 6: Final answer
    x = 60,876.51

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