Home / 80,270.43-110,771.97-43,971.58

Finding the Fourth Proportional to 80,270.43, 110,771.97 and 43,971.58

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Solution

The fourth proportional to 80,270.43, 110,771.97 and 43,971.58 is: 60,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.43 : 110,771.97 = 43,971.58 : x
  2. Step 2: Convert to fraction form
    80,270.43/110,771.97 = 43,971.58/x
  3. Step 3: Cross multiply
    80,270.43x = 110,771.97 × 43,971.58
  4. Step 4: Simplify right side
    80,270.43x = 4,870,818,540.61
  5. Step 5: Solve for x
    x = 4,870,818,540.61/80,270.43
  6. Step 6: Final answer
    x = 60,680.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.