Home / 49,736.44-68,640.30-28,517.68

Finding the Fourth Proportional to 49,736.44, 68,640.30 and 28,517.68

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Solution

The fourth proportional to 49,736.44, 68,640.30 and 28,517.68 is: 39,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,736.44 : 68,640.30 = 28,517.68 : x
  2. Step 2: Convert to fraction form
    49,736.44/68,640.30 = 28,517.68/x
  3. Step 3: Cross multiply
    49,736.44x = 68,640.30 × 28,517.68
  4. Step 4: Simplify right side
    49,736.44x = 1,957,462,110.50
  5. Step 5: Solve for x
    x = 1,957,462,110.50/49,736.44
  6. Step 6: Final answer
    x = 39,356.70

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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.