Home / 84,408.84-126,635.73-25,245.09

Finding the Fourth Proportional to 84,408.84, 126,635.73 and 25,245.09

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Solution

The fourth proportional to 84,408.84, 126,635.73 and 25,245.09 is: 37,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408.84 : 126,635.73 = 25,245.09 : x
  2. Step 2: Convert to fraction form
    84,408.84/126,635.73 = 25,245.09/x
  3. Step 3: Cross multiply
    84,408.84x = 126,635.73 × 25,245.09
  4. Step 4: Simplify right side
    84,408.84x = 3,196,930,401.07
  5. Step 5: Solve for x
    x = 3,196,930,401.07/84,408.84
  6. Step 6: Final answer
    x = 37,874.36

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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.