Home / 83,942.52-115,805.97-49,944.21

Finding the Fourth Proportional to 83,942.52, 115,805.97 and 49,944.21

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Solution

The fourth proportional to 83,942.52, 115,805.97 and 49,944.21 is: 68,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.52 : 115,805.97 = 49,944.21 : x
  2. Step 2: Convert to fraction form
    83,942.52/115,805.97 = 49,944.21/x
  3. Step 3: Cross multiply
    83,942.52x = 115,805.97 × 49,944.21
  4. Step 4: Simplify right side
    83,942.52x = 5,783,837,684.93
  5. Step 5: Solve for x
    x = 5,783,837,684.93/83,942.52
  6. Step 6: Final answer
    x = 68,902.36

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1.5x scale

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.