Home / 87,827.19-131,786.91-47,874.80

Finding the Fourth Proportional to 87,827.19, 131,786.91 and 47,874.80

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Solution

The fourth proportional to 87,827.19, 131,786.91 and 47,874.80 is: 71,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.19 : 131,786.91 = 47,874.80 : x
  2. Step 2: Convert to fraction form
    87,827.19/131,786.91 = 47,874.80/x
  3. Step 3: Cross multiply
    87,827.19x = 131,786.91 × 47,874.80
  4. Step 4: Simplify right side
    87,827.19x = 6,309,271,614.36
  5. Step 5: Solve for x
    x = 6,309,271,614.36/87,827.19
  6. Step 6: Final answer
    x = 71,837.34

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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.