Home / 57,443.89-86,149.09-22,375.21

Finding the Fourth Proportional to 57,443.89, 86,149.09 and 22,375.21

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Solution

The fourth proportional to 57,443.89, 86,149.09 and 22,375.21 is: 33,556.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,443.89 : 86,149.09 = 22,375.21 : x
  2. Step 2: Convert to fraction form
    57,443.89/86,149.09 = 22,375.21/x
  3. Step 3: Cross multiply
    57,443.89x = 86,149.09 × 22,375.21
  4. Step 4: Simplify right side
    57,443.89x = 1,927,603,980.06
  5. Step 5: Solve for x
    x = 1,927,603,980.06/57,443.89
  6. Step 6: Final answer
    x = 33,556.29

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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.