Home / 67,550.07-101,330.19-20,161.44

Finding the Fourth Proportional to 67,550.07, 101,330.19 and 20,161.44

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Solution

The fourth proportional to 67,550.07, 101,330.19 and 20,161.44 is: 30,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,550.07 : 101,330.19 = 20,161.44 : x
  2. Step 2: Convert to fraction form
    67,550.07/101,330.19 = 20,161.44/x
  3. Step 3: Cross multiply
    67,550.07x = 101,330.19 × 20,161.44
  4. Step 4: Simplify right side
    67,550.07x = 2,042,962,545.87
  5. Step 5: Solve for x
    x = 2,042,962,545.87/67,550.07
  6. Step 6: Final answer
    x = 30,243.68

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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.