Home / 87,174.26-120,300.39-48,933.82

Finding the Fourth Proportional to 87,174.26, 120,300.39 and 48,933.82

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Solution

The fourth proportional to 87,174.26, 120,300.39 and 48,933.82 is: 67,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.26 : 120,300.39 = 48,933.82 : x
  2. Step 2: Convert to fraction form
    87,174.26/120,300.39 = 48,933.82/x
  3. Step 3: Cross multiply
    87,174.26x = 120,300.39 × 48,933.82
  4. Step 4: Simplify right side
    87,174.26x = 5,886,757,780.57
  5. Step 5: Solve for x
    x = 5,886,757,780.57/87,174.26
  6. Step 6: Final answer
    x = 67,528.62

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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.