Home / 82,919.03-124,377.39-49,648.28

Finding the Fourth Proportional to 82,919.03, 124,377.39 and 49,648.28

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Solution

The fourth proportional to 82,919.03, 124,377.39 and 49,648.28 is: 74,471.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.03 : 124,377.39 = 49,648.28 : x
  2. Step 2: Convert to fraction form
    82,919.03/124,377.39 = 49,648.28/x
  3. Step 3: Cross multiply
    82,919.03x = 124,377.39 × 49,648.28
  4. Step 4: Simplify right side
    82,919.03x = 6,175,122,862.50
  5. Step 5: Solve for x
    x = 6,175,122,862.50/82,919.03
  6. Step 6: Final answer
    x = 74,471.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.