Home / 83,910.34-115,793.85-46,183.78

Finding the Fourth Proportional to 83,910.34, 115,793.85 and 46,183.78

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Solution

The fourth proportional to 83,910.34, 115,793.85 and 46,183.78 is: 63,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,910.34 : 115,793.85 = 46,183.78 : x
  2. Step 2: Convert to fraction form
    83,910.34/115,793.85 = 46,183.78/x
  3. Step 3: Cross multiply
    83,910.34x = 115,793.85 × 46,183.78
  4. Step 4: Simplify right side
    83,910.34x = 5,347,797,693.75
  5. Step 5: Solve for x
    x = 5,347,797,693.75/83,910.34
  6. Step 6: Final answer
    x = 63,732.28

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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.