Home / 80,554.96-120,872.04-36,213.04

Finding the Fourth Proportional to 80,554.96, 120,872.04 and 36,213.04

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Solution

The fourth proportional to 80,554.96, 120,872.04 and 36,213.04 is: 54,337.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,554.96 : 120,872.04 = 36,213.04 : x
  2. Step 2: Convert to fraction form
    80,554.96/120,872.04 = 36,213.04/x
  3. Step 3: Cross multiply
    80,554.96x = 120,872.04 × 36,213.04
  4. Step 4: Simplify right side
    80,554.96x = 4,377,144,019.40
  5. Step 5: Solve for x
    x = 4,377,144,019.40/80,554.96
  6. Step 6: Final answer
    x = 54,337.36

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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.