Home / 80,172.22-120,224.49-24,020.31

Finding the Fourth Proportional to 80,172.22, 120,224.49 and 24,020.31

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Solution

The fourth proportional to 80,172.22, 120,224.49 and 24,020.31 is: 36,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.22 : 120,224.49 = 24,020.31 : x
  2. Step 2: Convert to fraction form
    80,172.22/120,224.49 = 24,020.31/x
  3. Step 3: Cross multiply
    80,172.22x = 120,224.49 × 24,020.31
  4. Step 4: Simplify right side
    80,172.22x = 2,887,829,609.47
  5. Step 5: Solve for x
    x = 2,887,829,609.47/80,172.22
  6. Step 6: Final answer
    x = 36,020.33

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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.