Home / 69,704.04-104,497.28-30,231.42

Finding the Fourth Proportional to 69,704.04, 104,497.28 and 30,231.42

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Solution

The fourth proportional to 69,704.04, 104,497.28 and 30,231.42 is: 45,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.04 : 104,497.28 = 30,231.42 : x
  2. Step 2: Convert to fraction form
    69,704.04/104,497.28 = 30,231.42/x
  3. Step 3: Cross multiply
    69,704.04x = 104,497.28 × 30,231.42
  4. Step 4: Simplify right side
    69,704.04x = 3,159,100,748.14
  5. Step 5: Solve for x
    x = 3,159,100,748.14/69,704.04
  6. Step 6: Final answer
    x = 45,321.63

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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.