Home / 80,231.31-110,721.33-44,424.45

Finding the Fourth Proportional to 80,231.31, 110,721.33 and 44,424.45

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Solution

The fourth proportional to 80,231.31, 110,721.33 and 44,424.45 is: 61,306.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.31 : 110,721.33 = 44,424.45 : x
  2. Step 2: Convert to fraction form
    80,231.31/110,721.33 = 44,424.45/x
  3. Step 3: Cross multiply
    80,231.31x = 110,721.33 × 44,424.45
  4. Step 4: Simplify right side
    80,231.31x = 4,918,734,188.52
  5. Step 5: Solve for x
    x = 4,918,734,188.52/80,231.31
  6. Step 6: Final answer
    x = 61,306.92

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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.