Home / 83,832.49-125,761.20-27,678.53

Finding the Fourth Proportional to 83,832.49, 125,761.20 and 27,678.53

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Solution

The fourth proportional to 83,832.49, 125,761.20 and 27,678.53 is: 41,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,832.49 : 125,761.20 = 27,678.53 : x
  2. Step 2: Convert to fraction form
    83,832.49/125,761.20 = 27,678.53/x
  3. Step 3: Cross multiply
    83,832.49x = 125,761.20 × 27,678.53
  4. Step 4: Simplify right side
    83,832.49x = 3,480,884,805.93
  5. Step 5: Solve for x
    x = 3,480,884,805.93/83,832.49
  6. Step 6: Final answer
    x = 41,521.91

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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.