Home / 69,408.92-95,783.55-39,192.44

Finding the Fourth Proportional to 69,408.92, 95,783.55 and 39,192.44

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Solution

The fourth proportional to 69,408.92, 95,783.55 and 39,192.44 is: 54,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.92 : 95,783.55 = 39,192.44 : x
  2. Step 2: Convert to fraction form
    69,408.92/95,783.55 = 39,192.44/x
  3. Step 3: Cross multiply
    69,408.92x = 95,783.55 × 39,192.44
  4. Step 4: Simplify right side
    69,408.92x = 3,753,990,557.44
  5. Step 5: Solve for x
    x = 3,753,990,557.44/69,408.92
  6. Step 6: Final answer
    x = 54,085.14

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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.