Home / 79,738.35-119,566-29,777.37

Finding the Fourth Proportional to 79,738.35, 119,566 and 29,777.37

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Solution

The fourth proportional to 79,738.35, 119,566 and 29,777.37 is: 44,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.35 : 119,566 = 29,777.37 : x
  2. Step 2: Convert to fraction form
    79,738.35/119,566 = 29,777.37/x
  3. Step 3: Cross multiply
    79,738.35x = 119,566 × 29,777.37
  4. Step 4: Simplify right side
    79,738.35x = 3,560,361,021.42
  5. Step 5: Solve for x
    x = 3,560,361,021.42/79,738.35
  6. Step 6: Final answer
    x = 44,650.55

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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.