Home / 73,222.20-109,791.26-28,824.73

Finding the Fourth Proportional to 73,222.20, 109,791.26 and 28,824.73

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Solution

The fourth proportional to 73,222.20, 109,791.26 and 28,824.73 is: 43,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.20 : 109,791.26 = 28,824.73 : x
  2. Step 2: Convert to fraction form
    73,222.20/109,791.26 = 28,824.73/x
  3. Step 3: Cross multiply
    73,222.20x = 109,791.26 × 28,824.73
  4. Step 4: Simplify right side
    73,222.20x = 3,164,703,425.86
  5. Step 5: Solve for x
    x = 3,164,703,425.86/73,222.20
  6. Step 6: Final answer
    x = 43,220.55

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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.