Home / 50,175.10-75,151.61-20,502.91

Finding the Fourth Proportional to 50,175.10, 75,151.61 and 20,502.91

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Solution

The fourth proportional to 50,175.10, 75,151.61 and 20,502.91 is: 30,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,175.10 : 75,151.61 = 20,502.91 : x
  2. Step 2: Convert to fraction form
    50,175.10/75,151.61 = 20,502.91/x
  3. Step 3: Cross multiply
    50,175.10x = 75,151.61 × 20,502.91
  4. Step 4: Simplify right side
    50,175.10x = 1,540,826,217.91
  5. Step 5: Solve for x
    x = 1,540,826,217.91/50,175.10
  6. Step 6: Final answer
    x = 30,708.98

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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.