Home / 83,017.40-124,512.74-23,839.61

Finding the Fourth Proportional to 83,017.40, 124,512.74 and 23,839.61

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Solution

The fourth proportional to 83,017.40, 124,512.74 and 23,839.61 is: 35,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,017.40 : 124,512.74 = 23,839.61 : x
  2. Step 2: Convert to fraction form
    83,017.40/124,512.74 = 23,839.61/x
  3. Step 3: Cross multiply
    83,017.40x = 124,512.74 × 23,839.61
  4. Step 4: Simplify right side
    83,017.40x = 2,968,335,042.43
  5. Step 5: Solve for x
    x = 2,968,335,042.43/83,017.40
  6. Step 6: Final answer
    x = 35,755.58

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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.