Home / 80,404.77-120,522.04-27,045.96

Finding the Fourth Proportional to 80,404.77, 120,522.04 and 27,045.96

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Solution

The fourth proportional to 80,404.77, 120,522.04 and 27,045.96 is: 40,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,404.77 : 120,522.04 = 27,045.96 : x
  2. Step 2: Convert to fraction form
    80,404.77/120,522.04 = 27,045.96/x
  3. Step 3: Cross multiply
    80,404.77x = 120,522.04 × 27,045.96
  4. Step 4: Simplify right side
    80,404.77x = 3,259,634,272.96
  5. Step 5: Solve for x
    x = 3,259,634,272.96/80,404.77
  6. Step 6: Final answer
    x = 40,540.31

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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.