Home / 49,910.90-68,882.93-28,691.06

Finding the Fourth Proportional to 49,910.90, 68,882.93 and 28,691.06

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Solution

The fourth proportional to 49,910.90, 68,882.93 and 28,691.06 is: 39,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,910.90 : 68,882.93 = 28,691.06 : x
  2. Step 2: Convert to fraction form
    49,910.90/68,882.93 = 28,691.06/x
  3. Step 3: Cross multiply
    49,910.90x = 68,882.93 × 28,691.06
  4. Step 4: Simplify right side
    49,910.90x = 1,976,324,277.61
  5. Step 5: Solve for x
    x = 1,976,324,277.61/49,910.90
  6. Step 6: Final answer
    x = 39,597.05

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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.