Home / 79,942.20-119,855.70-44,892.60

Finding the Fourth Proportional to 79,942.20, 119,855.70 and 44,892.60

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Solution

The fourth proportional to 79,942.20, 119,855.70 and 44,892.60 is: 67,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,942.20 : 119,855.70 = 44,892.60 : x
  2. Step 2: Convert to fraction form
    79,942.20/119,855.70 = 44,892.60/x
  3. Step 3: Cross multiply
    79,942.20x = 119,855.70 × 44,892.60
  4. Step 4: Simplify right side
    79,942.20x = 5,380,633,997.82
  5. Step 5: Solve for x
    x = 5,380,633,997.82/79,942.20
  6. Step 6: Final answer
    x = 67,306.55

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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.