Home / 80,545.17-120,771.44-33,192.94

Finding the Fourth Proportional to 80,545.17, 120,771.44 and 33,192.94

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Solution

The fourth proportional to 80,545.17, 120,771.44 and 33,192.94 is: 49,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.17 : 120,771.44 = 33,192.94 : x
  2. Step 2: Convert to fraction form
    80,545.17/120,771.44 = 33,192.94/x
  3. Step 3: Cross multiply
    80,545.17x = 120,771.44 × 33,192.94
  4. Step 4: Simplify right side
    80,545.17x = 4,008,759,161.63
  5. Step 5: Solve for x
    x = 4,008,759,161.63/80,545.17
  6. Step 6: Final answer
    x = 49,770.32

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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.