Home / 71,849.24-99,163.68-54,821.24

Finding the Fourth Proportional to 71,849.24, 99,163.68 and 54,821.24

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Solution

The fourth proportional to 71,849.24, 99,163.68 and 54,821.24 is: 75,662.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.24 : 99,163.68 = 54,821.24 : x
  2. Step 2: Convert to fraction form
    71,849.24/99,163.68 = 54,821.24/x
  3. Step 3: Cross multiply
    71,849.24x = 99,163.68 × 54,821.24
  4. Step 4: Simplify right side
    71,849.24x = 5,436,275,900.56
  5. Step 5: Solve for x
    x = 5,436,275,900.56/71,849.24
  6. Step 6: Final answer
    x = 75,662.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.