Home / 83,614.26-115,380.06-49,616.88

Finding the Fourth Proportional to 83,614.26, 115,380.06 and 49,616.88

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Solution

The fourth proportional to 83,614.26, 115,380.06 and 49,616.88 is: 68,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,614.26 : 115,380.06 = 49,616.88 : x
  2. Step 2: Convert to fraction form
    83,614.26/115,380.06 = 49,616.88/x
  3. Step 3: Cross multiply
    83,614.26x = 115,380.06 × 49,616.88
  4. Step 4: Simplify right side
    83,614.26x = 5,724,798,591.41
  5. Step 5: Solve for x
    x = 5,724,798,591.41/83,614.26
  6. Step 6: Final answer
    x = 68,466.77

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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.