Home / 50,500.44-75,560.20-30,161.79

Finding the Fourth Proportional to 50,500.44, 75,560.20 and 30,161.79

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Solution

The fourth proportional to 50,500.44, 75,560.20 and 30,161.79 is: 45,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,500.44 : 75,560.20 = 30,161.79 : x
  2. Step 2: Convert to fraction form
    50,500.44/75,560.20 = 30,161.79/x
  3. Step 3: Cross multiply
    50,500.44x = 75,560.20 × 30,161.79
  4. Step 4: Simplify right side
    50,500.44x = 2,279,030,884.76
  5. Step 5: Solve for x
    x = 2,279,030,884.76/50,500.44
  6. Step 6: Final answer
    x = 45,128.93

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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.