Home / 49,691.76-68,576.41-28,475.12

Finding the Fourth Proportional to 49,691.76, 68,576.41 and 28,475.12

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Solution

The fourth proportional to 49,691.76, 68,576.41 and 28,475.12 is: 39,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.76 : 68,576.41 = 28,475.12 : x
  2. Step 2: Convert to fraction form
    49,691.76/68,576.41 = 28,475.12/x
  3. Step 3: Cross multiply
    49,691.76x = 68,576.41 × 28,475.12
  4. Step 4: Simplify right side
    49,691.76x = 1,952,721,604.17
  5. Step 5: Solve for x
    x = 1,952,721,604.17/49,691.76
  6. Step 6: Final answer
    x = 39,296.69

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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.