Home / 81,375.26-122,061.29-44,008.54

Finding the Fourth Proportional to 81,375.26, 122,061.29 and 44,008.54

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Solution

The fourth proportional to 81,375.26, 122,061.29 and 44,008.54 is: 66,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,375.26 : 122,061.29 = 44,008.54 : x
  2. Step 2: Convert to fraction form
    81,375.26/122,061.29 = 44,008.54/x
  3. Step 3: Cross multiply
    81,375.26x = 122,061.29 × 44,008.54
  4. Step 4: Simplify right side
    81,375.26x = 5,371,739,163.42
  5. Step 5: Solve for x
    x = 5,371,739,163.42/81,375.26
  6. Step 6: Final answer
    x = 66,011.94

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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.