Home / 80,063.24-120,103.50-33,290.12

Finding the Fourth Proportional to 80,063.24, 120,103.50 and 33,290.12

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Solution

The fourth proportional to 80,063.24, 120,103.50 and 33,290.12 is: 49,938.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.24 : 120,103.50 = 33,290.12 : x
  2. Step 2: Convert to fraction form
    80,063.24/120,103.50 = 33,290.12/x
  3. Step 3: Cross multiply
    80,063.24x = 120,103.50 × 33,290.12
  4. Step 4: Simplify right side
    80,063.24x = 3,998,259,927.42
  5. Step 5: Solve for x
    x = 3,998,259,927.42/80,063.24
  6. Step 6: Final answer
    x = 49,938.77

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1.5x scale

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.