Home / 41,143.68-61,738.34-20,083.88

Finding the Fourth Proportional to 41,143.68, 61,738.34 and 20,083.88

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Solution

The fourth proportional to 41,143.68, 61,738.34 and 20,083.88 is: 30,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.68 : 61,738.34 = 20,083.88 : x
  2. Step 2: Convert to fraction form
    41,143.68/61,738.34 = 20,083.88/x
  3. Step 3: Cross multiply
    41,143.68x = 61,738.34 × 20,083.88
  4. Step 4: Simplify right side
    41,143.68x = 1,239,945,465.89
  5. Step 5: Solve for x
    x = 1,239,945,465.89/41,143.68
  6. Step 6: Final answer
    x = 30,136.96

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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.