Home / 72,099.26-108,159.17-22,183.55

Finding the Fourth Proportional to 72,099.26, 108,159.17 and 22,183.55

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Solution

The fourth proportional to 72,099.26, 108,159.17 and 22,183.55 is: 33,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,099.26 : 108,159.17 = 22,183.55 : x
  2. Step 2: Convert to fraction form
    72,099.26/108,159.17 = 22,183.55/x
  3. Step 3: Cross multiply
    72,099.26x = 108,159.17 × 22,183.55
  4. Step 4: Simplify right side
    72,099.26x = 2,399,353,703.94
  5. Step 5: Solve for x
    x = 2,399,353,703.94/72,099.26
  6. Step 6: Final answer
    x = 33,278.48

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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.