Home / 87,346.23-120,537.07-49,105.94

Finding the Fourth Proportional to 87,346.23, 120,537.07 and 49,105.94

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Solution

The fourth proportional to 87,346.23, 120,537.07 and 49,105.94 is: 67,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,346.23 : 120,537.07 = 49,105.94 : x
  2. Step 2: Convert to fraction form
    87,346.23/120,537.07 = 49,105.94/x
  3. Step 3: Cross multiply
    87,346.23x = 120,537.07 × 49,105.94
  4. Step 4: Simplify right side
    87,346.23x = 5,919,086,305.77
  5. Step 5: Solve for x
    x = 5,919,086,305.77/87,346.23
  6. Step 6: Final answer
    x = 67,765.79

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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.