Home / 48,979.44-67,579.80-31,067.94

Finding the Fourth Proportional to 48,979.44, 67,579.80 and 31,067.94

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Solution

The fourth proportional to 48,979.44, 67,579.80 and 31,067.94 is: 42,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,979.44 : 67,579.80 = 31,067.94 : x
  2. Step 2: Convert to fraction form
    48,979.44/67,579.80 = 31,067.94/x
  3. Step 3: Cross multiply
    48,979.44x = 67,579.80 × 31,067.94
  4. Step 4: Simplify right side
    48,979.44x = 2,099,565,171.61
  5. Step 5: Solve for x
    x = 2,099,565,171.61/48,979.44
  6. Step 6: Final answer
    x = 42,866.26

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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.