Home / 83,974.73-125,968.77-27,812.57

Finding the Fourth Proportional to 83,974.73, 125,968.77 and 27,812.57

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Solution

The fourth proportional to 83,974.73, 125,968.77 and 27,812.57 is: 41,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.73 : 125,968.77 = 27,812.57 : x
  2. Step 2: Convert to fraction form
    83,974.73/125,968.77 = 27,812.57/x
  3. Step 3: Cross multiply
    83,974.73x = 125,968.77 × 27,812.57
  4. Step 4: Simplify right side
    83,974.73x = 3,503,514,603.60
  5. Step 5: Solve for x
    x = 3,503,514,603.60/83,974.73
  6. Step 6: Final answer
    x = 41,721.06

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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.