Home / 83,818.26-125,768.43-39,443.22

Finding the Fourth Proportional to 83,818.26, 125,768.43 and 39,443.22

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Solution

The fourth proportional to 83,818.26, 125,768.43 and 39,443.22 is: 59,184.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,818.26 : 125,768.43 = 39,443.22 : x
  2. Step 2: Convert to fraction form
    83,818.26/125,768.43 = 39,443.22/x
  3. Step 3: Cross multiply
    83,818.26x = 125,768.43 × 39,443.22
  4. Step 4: Simplify right side
    83,818.26x = 4,960,711,853.54
  5. Step 5: Solve for x
    x = 4,960,711,853.54/83,818.26
  6. Step 6: Final answer
    x = 59,184.14

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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.