Home / 54,861.73-82,279.82-15,422.65

Finding the Fourth Proportional to 54,861.73, 82,279.82 and 15,422.65

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Solution

The fourth proportional to 54,861.73, 82,279.82 and 15,422.65 is: 23,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,861.73 : 82,279.82 = 15,422.65 : x
  2. Step 2: Convert to fraction form
    54,861.73/82,279.82 = 15,422.65/x
  3. Step 3: Cross multiply
    54,861.73x = 82,279.82 × 15,422.65
  4. Step 4: Simplify right side
    54,861.73x = 1,268,972,788.81
  5. Step 5: Solve for x
    x = 1,268,972,788.81/54,861.73
  6. Step 6: Final answer
    x = 23,130.38

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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.