Home / 80,824.14-121,261.38-41,408.94

Finding the Fourth Proportional to 80,824.14, 121,261.38 and 41,408.94

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Solution

The fourth proportional to 80,824.14, 121,261.38 and 41,408.94 is: 62,126.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,824.14 : 121,261.38 = 41,408.94 : x
  2. Step 2: Convert to fraction form
    80,824.14/121,261.38 = 41,408.94/x
  3. Step 3: Cross multiply
    80,824.14x = 121,261.38 × 41,408.94
  4. Step 4: Simplify right side
    80,824.14x = 5,021,305,208.74
  5. Step 5: Solve for x
    x = 5,021,305,208.74/80,824.14
  6. Step 6: Final answer
    x = 62,126.31

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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.