Home / 69,540.83-104,319.39-22,139.32

Finding the Fourth Proportional to 69,540.83, 104,319.39 and 22,139.32

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Solution

The fourth proportional to 69,540.83, 104,319.39 and 22,139.32 is: 33,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,540.83 : 104,319.39 = 22,139.32 : x
  2. Step 2: Convert to fraction form
    69,540.83/104,319.39 = 22,139.32/x
  3. Step 3: Cross multiply
    69,540.83x = 104,319.39 × 22,139.32
  4. Step 4: Simplify right side
    69,540.83x = 2,309,560,357.41
  5. Step 5: Solve for x
    x = 2,309,560,357.41/69,540.83
  6. Step 6: Final answer
    x = 33,211.57

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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.