Home / 80,207.58-120,243.70-50,560.05

Finding the Fourth Proportional to 80,207.58, 120,243.70 and 50,560.05

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Solution

The fourth proportional to 80,207.58, 120,243.70 and 50,560.05 is: 75,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,207.58 : 120,243.70 = 50,560.05 : x
  2. Step 2: Convert to fraction form
    80,207.58/120,243.70 = 50,560.05/x
  3. Step 3: Cross multiply
    80,207.58x = 120,243.70 × 50,560.05
  4. Step 4: Simplify right side
    80,207.58x = 6,079,527,484.19
  5. Step 5: Solve for x
    x = 6,079,527,484.19/80,207.58
  6. Step 6: Final answer
    x = 75,797.42

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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.