Home / 87,638.92-131,476.06-27,676.77

Finding the Fourth Proportional to 87,638.92, 131,476.06 and 27,676.77

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Solution

The fourth proportional to 87,638.92, 131,476.06 and 27,676.77 is: 41,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638.92 : 131,476.06 = 27,676.77 : x
  2. Step 2: Convert to fraction form
    87,638.92/131,476.06 = 27,676.77/x
  3. Step 3: Cross multiply
    87,638.92x = 131,476.06 × 27,676.77
  4. Step 4: Simplify right side
    87,638.92x = 3,638,832,214.69
  5. Step 5: Solve for x
    x = 3,638,832,214.69/87,638.92
  6. Step 6: Final answer
    x = 41,520.73

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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.