Home / 83,292.39-124,993.92-38,922.57

Finding the Fourth Proportional to 83,292.39, 124,993.92 and 38,922.57

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Solution

The fourth proportional to 83,292.39, 124,993.92 and 38,922.57 is: 58,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,292.39 : 124,993.92 = 38,922.57 : x
  2. Step 2: Convert to fraction form
    83,292.39/124,993.92 = 38,922.57/x
  3. Step 3: Cross multiply
    83,292.39x = 124,993.92 × 38,922.57
  4. Step 4: Simplify right side
    83,292.39x = 4,865,084,600.77
  5. Step 5: Solve for x
    x = 4,865,084,600.77/83,292.39
  6. Step 6: Final answer
    x = 58,409.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.