Home / 49,680.59-68,538.98-28,165.79

Finding the Fourth Proportional to 49,680.59, 68,538.98 and 28,165.79

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Solution

The fourth proportional to 49,680.59, 68,538.98 and 28,165.79 is: 38,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,680.59 : 68,538.98 = 28,165.79 : x
  2. Step 2: Convert to fraction form
    49,680.59/68,538.98 = 28,165.79/x
  3. Step 3: Cross multiply
    49,680.59x = 68,538.98 × 28,165.79
  4. Step 4: Simplify right side
    49,680.59x = 1,930,454,759.26
  5. Step 5: Solve for x
    x = 1,930,454,759.26/49,680.59
  6. Step 6: Final answer
    x = 38,857.33

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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.