Home / 87,624.72-131,239.44-61,446.60

Finding the Fourth Proportional to 87,624.72, 131,239.44 and 61,446.60

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Solution

The fourth proportional to 87,624.72, 131,239.44 and 61,446.60 is: 92,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.72 : 131,239.44 = 61,446.60 : x
  2. Step 2: Convert to fraction form
    87,624.72/131,239.44 = 61,446.60/x
  3. Step 3: Cross multiply
    87,624.72x = 131,239.44 × 61,446.60
  4. Step 4: Simplify right side
    87,624.72x = 8,064,217,373.90
  5. Step 5: Solve for x
    x = 8,064,217,373.90/87,624.72
  6. Step 6: Final answer
    x = 92,031.31

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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.