Home / 48,796.08-73,179.60-20,715.72

Finding the Fourth Proportional to 48,796.08, 73,179.60 and 20,715.72

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Solution

The fourth proportional to 48,796.08, 73,179.60 and 20,715.72 is: 31,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,796.08 : 73,179.60 = 20,715.72 : x
  2. Step 2: Convert to fraction form
    48,796.08/73,179.60 = 20,715.72/x
  3. Step 3: Cross multiply
    48,796.08x = 73,179.60 × 20,715.72
  4. Step 4: Simplify right side
    48,796.08x = 1,515,968,103.31
  5. Step 5: Solve for x
    x = 1,515,968,103.31/48,796.08
  6. Step 6: Final answer
    x = 31,067.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.