Home / 87,638.18-131,474.94-27,676.01

Finding the Fourth Proportional to 87,638.18, 131,474.94 and 27,676.01

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Solution

The fourth proportional to 87,638.18, 131,474.94 and 27,676.01 is: 41,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,638.18 : 131,474.94 = 27,676.01 : x
  2. Step 2: Convert to fraction form
    87,638.18/131,474.94 = 27,676.01/x
  3. Step 3: Cross multiply
    87,638.18x = 131,474.94 × 27,676.01
  4. Step 4: Simplify right side
    87,638.18x = 3,638,701,096.81
  5. Step 5: Solve for x
    x = 3,638,701,096.81/87,638.18
  6. Step 6: Final answer
    x = 41,519.59

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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.