Home / 69,399.97-95,933.37-61,920.43

Finding the Fourth Proportional to 69,399.97, 95,933.37 and 61,920.43

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Solution

The fourth proportional to 69,399.97, 95,933.37 and 61,920.43 is: 85,594.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,399.97 : 95,933.37 = 61,920.43 : x
  2. Step 2: Convert to fraction form
    69,399.97/95,933.37 = 61,920.43/x
  3. Step 3: Cross multiply
    69,399.97x = 95,933.37 × 61,920.43
  4. Step 4: Simplify right side
    69,399.97x = 5,940,235,521.75
  5. Step 5: Solve for x
    x = 5,940,235,521.75/69,399.97
  6. Step 6: Final answer
    x = 85,594.21

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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.