Home / 83,403.97-115,097.26-45,163.56

Finding the Fourth Proportional to 83,403.97, 115,097.26 and 45,163.56

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Solution

The fourth proportional to 83,403.97, 115,097.26 and 45,163.56 is: 62,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,403.97 : 115,097.26 = 45,163.56 : x
  2. Step 2: Convert to fraction form
    83,403.97/115,097.26 = 45,163.56/x
  3. Step 3: Cross multiply
    83,403.97x = 115,097.26 × 45,163.56
  4. Step 4: Simplify right side
    83,403.97x = 5,198,202,007.85
  5. Step 5: Solve for x
    x = 5,198,202,007.85/83,403.97
  6. Step 6: Final answer
    x = 62,325.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.