Home / 69,049.21-103,562.28-19,134.37

Finding the Fourth Proportional to 69,049.21, 103,562.28 and 19,134.37

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Solution

The fourth proportional to 69,049.21, 103,562.28 and 19,134.37 is: 28,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,049.21 : 103,562.28 = 19,134.37 : x
  2. Step 2: Convert to fraction form
    69,049.21/103,562.28 = 19,134.37/x
  3. Step 3: Cross multiply
    69,049.21x = 103,562.28 × 19,134.37
  4. Step 4: Simplify right side
    69,049.21x = 1,981,598,465.75
  5. Step 5: Solve for x
    x = 1,981,598,465.75/69,049.21
  6. Step 6: Final answer
    x = 28,698.35

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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.