Home / 69,915.57-104,872.33-17,324.70

Finding the Fourth Proportional to 69,915.57, 104,872.33 and 17,324.70

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Solution

The fourth proportional to 69,915.57, 104,872.33 and 17,324.70 is: 25,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,915.57 : 104,872.33 = 17,324.70 : x
  2. Step 2: Convert to fraction form
    69,915.57/104,872.33 = 17,324.70/x
  3. Step 3: Cross multiply
    69,915.57x = 104,872.33 × 17,324.70
  4. Step 4: Simplify right side
    69,915.57x = 1,816,881,655.55
  5. Step 5: Solve for x
    x = 1,816,881,655.55/69,915.57
  6. Step 6: Final answer
    x = 25,986.80

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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.