Home / 71,767.24-107,614.68-21,837.76

Finding the Fourth Proportional to 71,767.24, 107,614.68 and 21,837.76

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Solution

The fourth proportional to 71,767.24, 107,614.68 and 21,837.76 is: 32,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,767.24 : 107,614.68 = 21,837.76 : x
  2. Step 2: Convert to fraction form
    71,767.24/107,614.68 = 21,837.76/x
  3. Step 3: Cross multiply
    71,767.24x = 107,614.68 × 21,837.76
  4. Step 4: Simplify right side
    71,767.24x = 2,350,063,554.32
  5. Step 5: Solve for x
    x = 2,350,063,554.32/71,767.24
  6. Step 6: Final answer
    x = 32,745.63

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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.