Home / 49,694.22-68,576.78-28,472.12

Finding the Fourth Proportional to 49,694.22, 68,576.78 and 28,472.12

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Solution

The fourth proportional to 49,694.22, 68,576.78 and 28,472.12 is: 39,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,694.22 : 68,576.78 = 28,472.12 : x
  2. Step 2: Convert to fraction form
    49,694.22/68,576.78 = 28,472.12/x
  3. Step 3: Cross multiply
    49,694.22x = 68,576.78 × 28,472.12
  4. Step 4: Simplify right side
    49,694.22x = 1,952,525,966.49
  5. Step 5: Solve for x
    x = 1,952,525,966.49/49,694.22
  6. Step 6: Final answer
    x = 39,290.81

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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.