Home / 87,833.70-131,676.72-71,152.37

Finding the Fourth Proportional to 87,833.70, 131,676.72 and 71,152.37

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Solution

The fourth proportional to 87,833.70, 131,676.72 and 71,152.37 is: 106,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,833.70 : 131,676.72 = 71,152.37 : x
  2. Step 2: Convert to fraction form
    87,833.70/131,676.72 = 71,152.37/x
  3. Step 3: Cross multiply
    87,833.70x = 131,676.72 × 71,152.37
  4. Step 4: Simplify right side
    87,833.70x = 9,369,110,043.44
  5. Step 5: Solve for x
    x = 9,369,110,043.44/87,833.70
  6. Step 6: Final answer
    x = 106,668.74

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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.