Home / 83,291-124,949.49-27,117.85

Finding the Fourth Proportional to 83,291, 124,949.49 and 27,117.85

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Solution

The fourth proportional to 83,291, 124,949.49 and 27,117.85 is: 40,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,291 : 124,949.49 = 27,117.85 : x
  2. Step 2: Convert to fraction form
    83,291/124,949.49 = 27,117.85/x
  3. Step 3: Cross multiply
    83,291x = 124,949.49 × 27,117.85
  4. Step 4: Simplify right side
    83,291x = 3,388,361,391.81
  5. Step 5: Solve for x
    x = 3,388,361,391.81/83,291
  6. Step 6: Final answer
    x = 40,681.00

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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.