Home / 80,543.17-120,768.44-33,190.94

Finding the Fourth Proportional to 80,543.17, 120,768.44 and 33,190.94

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Solution

The fourth proportional to 80,543.17, 120,768.44 and 33,190.94 is: 49,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.17 : 120,768.44 = 33,190.94 : x
  2. Step 2: Convert to fraction form
    80,543.17/120,768.44 = 33,190.94/x
  3. Step 3: Cross multiply
    80,543.17x = 120,768.44 × 33,190.94
  4. Step 4: Simplify right side
    80,543.17x = 4,008,418,045.93
  5. Step 5: Solve for x
    x = 4,008,418,045.93/80,543.17
  6. Step 6: Final answer
    x = 49,767.33

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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.