Home / 67,273.34-100,906.25-20,522.54

Finding the Fourth Proportional to 67,273.34, 100,906.25 and 20,522.54

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Solution

The fourth proportional to 67,273.34, 100,906.25 and 20,522.54 is: 30,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,273.34 : 100,906.25 = 20,522.54 : x
  2. Step 2: Convert to fraction form
    67,273.34/100,906.25 = 20,522.54/x
  3. Step 3: Cross multiply
    67,273.34x = 100,906.25 × 20,522.54
  4. Step 4: Simplify right side
    67,273.34x = 2,070,852,551.88
  5. Step 5: Solve for x
    x = 2,070,852,551.88/67,273.34
  6. Step 6: Final answer
    x = 30,782.66

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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.