Home / 54,944.42-82,269-45,201.33

Finding the Fourth Proportional to 54,944.42, 82,269 and 45,201.33

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Solution

The fourth proportional to 54,944.42, 82,269 and 45,201.33 is: 67,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,944.42 : 82,269 = 45,201.33 : x
  2. Step 2: Convert to fraction form
    54,944.42/82,269 = 45,201.33/x
  3. Step 3: Cross multiply
    54,944.42x = 82,269 × 45,201.33
  4. Step 4: Simplify right side
    54,944.42x = 3,718,668,217.77
  5. Step 5: Solve for x
    x = 3,718,668,217.77/54,944.42
  6. Step 6: Final answer
    x = 67,680.55

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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.