Home / 83,694.36-115,470.42-49,713.24

Finding the Fourth Proportional to 83,694.36, 115,470.42 and 49,713.24

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Solution

The fourth proportional to 83,694.36, 115,470.42 and 49,713.24 is: 68,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,694.36 : 115,470.42 = 49,713.24 : x
  2. Step 2: Convert to fraction form
    83,694.36/115,470.42 = 49,713.24/x
  3. Step 3: Cross multiply
    83,694.36x = 115,470.42 × 49,713.24
  4. Step 4: Simplify right side
    83,694.36x = 5,740,408,702.36
  5. Step 5: Solve for x
    x = 5,740,408,702.36/83,694.36
  6. Step 6: Final answer
    x = 68,587.76

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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.