Home / 82,825.06-114,269.43-54,161.49

Finding the Fourth Proportional to 82,825.06, 114,269.43 and 54,161.49

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Solution

The fourth proportional to 82,825.06, 114,269.43 and 54,161.49 is: 74,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,825.06 : 114,269.43 = 54,161.49 : x
  2. Step 2: Convert to fraction form
    82,825.06/114,269.43 = 54,161.49/x
  3. Step 3: Cross multiply
    82,825.06x = 114,269.43 × 54,161.49
  4. Step 4: Simplify right side
    82,825.06x = 6,189,002,590.25
  5. Step 5: Solve for x
    x = 6,189,002,590.25/82,825.06
  6. Step 6: Final answer
    x = 74,723.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.