Home / 87,494.58-120,711.42-51,676.92

Finding the Fourth Proportional to 87,494.58, 120,711.42 and 51,676.92

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Solution

The fourth proportional to 87,494.58, 120,711.42 and 51,676.92 is: 71,295.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,494.58 : 120,711.42 = 51,676.92 : x
  2. Step 2: Convert to fraction form
    87,494.58/120,711.42 = 51,676.92/x
  3. Step 3: Cross multiply
    87,494.58x = 120,711.42 × 51,676.92
  4. Step 4: Simplify right side
    87,494.58x = 6,237,994,394.43
  5. Step 5: Solve for x
    x = 6,237,994,394.43/87,494.58
  6. Step 6: Final answer
    x = 71,295.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.