Home / 80,234.72-120,363.28-33,476.88

Finding the Fourth Proportional to 80,234.72, 120,363.28 and 33,476.88

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Solution

The fourth proportional to 80,234.72, 120,363.28 and 33,476.88 is: 50,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.72 : 120,363.28 = 33,476.88 : x
  2. Step 2: Convert to fraction form
    80,234.72/120,363.28 = 33,476.88/x
  3. Step 3: Cross multiply
    80,234.72x = 120,363.28 × 33,476.88
  4. Step 4: Simplify right side
    80,234.72x = 4,029,387,080.97
  5. Step 5: Solve for x
    x = 4,029,387,080.97/80,234.72
  6. Step 6: Final answer
    x = 50,219.99

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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.