Home / 67,161.48-100,720.47-22,172.73

Finding the Fourth Proportional to 67,161.48, 100,720.47 and 22,172.73

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Solution

The fourth proportional to 67,161.48, 100,720.47 and 22,172.73 is: 33,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.48 : 100,720.47 = 22,172.73 : x
  2. Step 2: Convert to fraction form
    67,161.48/100,720.47 = 22,172.73/x
  3. Step 3: Cross multiply
    67,161.48x = 100,720.47 × 22,172.73
  4. Step 4: Simplify right side
    67,161.48x = 2,233,247,492.23
  5. Step 5: Solve for x
    x = 2,233,247,492.23/67,161.48
  6. Step 6: Final answer
    x = 33,251.91

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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.