Home / 69,108.98-95,369.32-38,481.86

Finding the Fourth Proportional to 69,108.98, 95,369.32 and 38,481.86

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Solution

The fourth proportional to 69,108.98, 95,369.32 and 38,481.86 is: 53,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.98 : 95,369.32 = 38,481.86 : x
  2. Step 2: Convert to fraction form
    69,108.98/95,369.32 = 38,481.86/x
  3. Step 3: Cross multiply
    69,108.98x = 95,369.32 × 38,481.86
  4. Step 4: Simplify right side
    69,108.98x = 3,669,988,820.54
  5. Step 5: Solve for x
    x = 3,669,988,820.54/69,108.98
  6. Step 6: Final answer
    x = 53,104.37

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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.