Home / 49,377.41-68,140.78-27,871.68

Finding the Fourth Proportional to 49,377.41, 68,140.78 and 27,871.68

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Solution

The fourth proportional to 49,377.41, 68,140.78 and 27,871.68 is: 38,462.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,377.41 : 68,140.78 = 27,871.68 : x
  2. Step 2: Convert to fraction form
    49,377.41/68,140.78 = 27,871.68/x
  3. Step 3: Cross multiply
    49,377.41x = 68,140.78 × 27,871.68
  4. Step 4: Simplify right side
    49,377.41x = 1,899,198,015.11
  5. Step 5: Solve for x
    x = 1,899,198,015.11/49,377.41
  6. Step 6: Final answer
    x = 38,462.89

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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.