Home / 49,691.42-68,576.56-28,470.74

Finding the Fourth Proportional to 49,691.42, 68,576.56 and 28,470.74

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Solution

The fourth proportional to 49,691.42, 68,576.56 and 28,470.74 is: 39,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,691.42 : 68,576.56 = 28,470.74 : x
  2. Step 2: Convert to fraction form
    49,691.42/68,576.56 = 28,470.74/x
  3. Step 3: Cross multiply
    49,691.42x = 68,576.56 × 28,470.74
  4. Step 4: Simplify right side
    49,691.42x = 1,952,425,409.85
  5. Step 5: Solve for x
    x = 1,952,425,409.85/49,691.42
  6. Step 6: Final answer
    x = 39,291.00

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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.