Home / 44,121.30-66,144.68-19,142.52

Finding the Fourth Proportional to 44,121.30, 66,144.68 and 19,142.52

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Solution

The fourth proportional to 44,121.30, 66,144.68 and 19,142.52 is: 28,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,121.30 : 66,144.68 = 19,142.52 : x
  2. Step 2: Convert to fraction form
    44,121.30/66,144.68 = 19,142.52/x
  3. Step 3: Cross multiply
    44,121.30x = 66,144.68 × 19,142.52
  4. Step 4: Simplify right side
    44,121.30x = 1,266,175,859.79
  5. Step 5: Solve for x
    x = 1,266,175,859.79/44,121.30
  6. Step 6: Final answer
    x = 28,697.61

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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.