Home / 49,883.73-68,851.33-28,675.30

Finding the Fourth Proportional to 49,883.73, 68,851.33 and 28,675.30

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Solution

The fourth proportional to 49,883.73, 68,851.33 and 28,675.30 is: 39,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,883.73 : 68,851.33 = 28,675.30 : x
  2. Step 2: Convert to fraction form
    49,883.73/68,851.33 = 28,675.30/x
  3. Step 3: Cross multiply
    49,883.73x = 68,851.33 × 28,675.30
  4. Step 4: Simplify right side
    49,883.73x = 1,974,332,543.15
  5. Step 5: Solve for x
    x = 1,974,332,543.15/49,883.73
  6. Step 6: Final answer
    x = 39,578.69

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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.