Home / 107,665.16-161,508.49-41,161.23

Finding the Fourth Proportional to 107,665.16, 161,508.49 and 41,161.23

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Solution

The fourth proportional to 107,665.16, 161,508.49 and 41,161.23 is: 61,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,665.16 : 161,508.49 = 41,161.23 : x
  2. Step 2: Convert to fraction form
    107,665.16/161,508.49 = 41,161.23/x
  3. Step 3: Cross multiply
    107,665.16x = 161,508.49 × 41,161.23
  4. Step 4: Simplify right side
    107,665.16x = 6,647,888,000.94
  5. Step 5: Solve for x
    x = 6,647,888,000.94/107,665.16
  6. Step 6: Final answer
    x = 61,745.96

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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.