Home / 69,028.14-103,544.51-19,104.06

Finding the Fourth Proportional to 69,028.14, 103,544.51 and 19,104.06

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Solution

The fourth proportional to 69,028.14, 103,544.51 and 19,104.06 is: 28,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,028.14 : 103,544.51 = 19,104.06 : x
  2. Step 2: Convert to fraction form
    69,028.14/103,544.51 = 19,104.06/x
  3. Step 3: Cross multiply
    69,028.14x = 103,544.51 × 19,104.06
  4. Step 4: Simplify right side
    69,028.14x = 1,978,120,436.19
  5. Step 5: Solve for x
    x = 1,978,120,436.19/69,028.14
  6. Step 6: Final answer
    x = 28,656.73

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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.