Home / 48,682.62-67,182.51-28,540.05

Finding the Fourth Proportional to 48,682.62, 67,182.51 and 28,540.05

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Solution

The fourth proportional to 48,682.62, 67,182.51 and 28,540.05 is: 39,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,682.62 : 67,182.51 = 28,540.05 : x
  2. Step 2: Convert to fraction form
    48,682.62/67,182.51 = 28,540.05/x
  3. Step 3: Cross multiply
    48,682.62x = 67,182.51 × 28,540.05
  4. Step 4: Simplify right side
    48,682.62x = 1,917,392,049.62
  5. Step 5: Solve for x
    x = 1,917,392,049.62/48,682.62
  6. Step 6: Final answer
    x = 39,385.56

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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.