Home / 50,108.65-75,162.92-20,526.53

Finding the Fourth Proportional to 50,108.65, 75,162.92 and 20,526.53

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Solution

The fourth proportional to 50,108.65, 75,162.92 and 20,526.53 is: 30,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.65 : 75,162.92 = 20,526.53 : x
  2. Step 2: Convert to fraction form
    50,108.65/75,162.92 = 20,526.53/x
  3. Step 3: Cross multiply
    50,108.65x = 75,162.92 × 20,526.53
  4. Step 4: Simplify right side
    50,108.65x = 1,542,834,017.54
  5. Step 5: Solve for x
    x = 1,542,834,017.54/50,108.65
  6. Step 6: Final answer
    x = 30,789.78

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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.