Home / 83,837.20-125,771.32-27,681.22

Finding the Fourth Proportional to 83,837.20, 125,771.32 and 27,681.22

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Solution

The fourth proportional to 83,837.20, 125,771.32 and 27,681.22 is: 41,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,837.20 : 125,771.32 = 27,681.22 : x
  2. Step 2: Convert to fraction form
    83,837.20/125,771.32 = 27,681.22/x
  3. Step 3: Cross multiply
    83,837.20x = 125,771.32 × 27,681.22
  4. Step 4: Simplify right side
    83,837.20x = 3,481,503,578.61
  5. Step 5: Solve for x
    x = 3,481,503,578.61/83,837.20
  6. Step 6: Final answer
    x = 41,526.95

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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.