Home / 69,183.14-103,772.89-19,261.22

Finding the Fourth Proportional to 69,183.14, 103,772.89 and 19,261.22

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Solution

The fourth proportional to 69,183.14, 103,772.89 and 19,261.22 is: 28,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,183.14 : 103,772.89 = 19,261.22 : x
  2. Step 2: Convert to fraction form
    69,183.14/103,772.89 = 19,261.22/x
  3. Step 3: Cross multiply
    69,183.14x = 103,772.89 × 19,261.22
  4. Step 4: Simplify right side
    69,183.14x = 1,998,792,499.09
  5. Step 5: Solve for x
    x = 1,998,792,499.09/69,183.14
  6. Step 6: Final answer
    x = 28,891.32

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1.5x scale

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.