Home / 54,942.42-82,266-45,199.33

Finding the Fourth Proportional to 54,942.42, 82,266 and 45,199.33

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Solution

The fourth proportional to 54,942.42, 82,266 and 45,199.33 is: 67,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.42 : 82,266 = 45,199.33 : x
  2. Step 2: Convert to fraction form
    54,942.42/82,266 = 45,199.33/x
  3. Step 3: Cross multiply
    54,942.42x = 82,266 × 45,199.33
  4. Step 4: Simplify right side
    54,942.42x = 3,718,368,081.78
  5. Step 5: Solve for x
    x = 3,718,368,081.78/54,942.42
  6. Step 6: Final answer
    x = 67,677.54

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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.