Home / 69,704.07-104,497.34-30,231.47

Finding the Fourth Proportional to 69,704.07, 104,497.34 and 30,231.47

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Solution

The fourth proportional to 69,704.07, 104,497.34 and 30,231.47 is: 45,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.07 : 104,497.34 = 30,231.47 : x
  2. Step 2: Convert to fraction form
    69,704.07/104,497.34 = 30,231.47/x
  3. Step 3: Cross multiply
    69,704.07x = 104,497.34 × 30,231.47
  4. Step 4: Simplify right side
    69,704.07x = 3,159,107,525.65
  5. Step 5: Solve for x
    x = 3,159,107,525.65/69,704.07
  6. Step 6: Final answer
    x = 45,321.71

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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.