Home / 80,114.96-120,185.40-33,372.56

Finding the Fourth Proportional to 80,114.96, 120,185.40 and 33,372.56

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Solution

The fourth proportional to 80,114.96, 120,185.40 and 33,372.56 is: 50,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,114.96 : 120,185.40 = 33,372.56 : x
  2. Step 2: Convert to fraction form
    80,114.96/120,185.40 = 33,372.56/x
  3. Step 3: Cross multiply
    80,114.96x = 120,185.40 × 33,372.56
  4. Step 4: Simplify right side
    80,114.96x = 4,010,894,472.62
  5. Step 5: Solve for x
    x = 4,010,894,472.62/80,114.96
  6. Step 6: Final answer
    x = 50,064.24

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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.