Home / 84,343.78-126,532.38-44,381.82

Finding the Fourth Proportional to 84,343.78, 126,532.38 and 44,381.82

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Solution

The fourth proportional to 84,343.78, 126,532.38 and 44,381.82 is: 66,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,343.78 : 126,532.38 = 44,381.82 : x
  2. Step 2: Convert to fraction form
    84,343.78/126,532.38 = 44,381.82/x
  3. Step 3: Cross multiply
    84,343.78x = 126,532.38 × 44,381.82
  4. Step 4: Simplify right side
    84,343.78x = 5,615,737,704.61
  5. Step 5: Solve for x
    x = 5,615,737,704.61/84,343.78
  6. Step 6: Final answer
    x = 66,581.53

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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.