Home / 54,874.22-82,311.35-15,431.33

Finding the Fourth Proportional to 54,874.22, 82,311.35 and 15,431.33

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Solution

The fourth proportional to 54,874.22, 82,311.35 and 15,431.33 is: 23,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.22 : 82,311.35 = 15,431.33 : x
  2. Step 2: Convert to fraction form
    54,874.22/82,311.35 = 15,431.33/x
  3. Step 3: Cross multiply
    54,874.22x = 82,311.35 × 15,431.33
  4. Step 4: Simplify right side
    54,874.22x = 1,270,173,231.62
  5. Step 5: Solve for x
    x = 1,270,173,231.62/54,874.22
  6. Step 6: Final answer
    x = 23,147.00

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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.