Home / 49,758.29-68,753.88-39,769.17

Finding the Fourth Proportional to 49,758.29, 68,753.88 and 39,769.17

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Solution

The fourth proportional to 49,758.29, 68,753.88 and 39,769.17 is: 54,951.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,758.29 : 68,753.88 = 39,769.17 : x
  2. Step 2: Convert to fraction form
    49,758.29/68,753.88 = 39,769.17/x
  3. Step 3: Cross multiply
    49,758.29x = 68,753.88 × 39,769.17
  4. Step 4: Simplify right side
    49,758.29x = 2,734,284,199.26
  5. Step 5: Solve for x
    x = 2,734,284,199.26/49,758.29
  6. Step 6: Final answer
    x = 54,951.33

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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.