Home / 54,865.47-82,218.69-23,231.87

Finding the Fourth Proportional to 54,865.47, 82,218.69 and 23,231.87

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Solution

The fourth proportional to 54,865.47, 82,218.69 and 23,231.87 is: 34,814.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.47 : 82,218.69 = 23,231.87 : x
  2. Step 2: Convert to fraction form
    54,865.47/82,218.69 = 23,231.87/x
  3. Step 3: Cross multiply
    54,865.47x = 82,218.69 × 23,231.87
  4. Step 4: Simplify right side
    54,865.47x = 1,910,093,506.56
  5. Step 5: Solve for x
    x = 1,910,093,506.56/54,865.47
  6. Step 6: Final answer
    x = 34,814.13

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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.