Home / 69,734.70-104,586.30-19,813.68

Finding the Fourth Proportional to 69,734.70, 104,586.30 and 19,813.68

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Solution

The fourth proportional to 69,734.70, 104,586.30 and 19,813.68 is: 29,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,734.70 : 104,586.30 = 19,813.68 : x
  2. Step 2: Convert to fraction form
    69,734.70/104,586.30 = 19,813.68/x
  3. Step 3: Cross multiply
    69,734.70x = 104,586.30 × 19,813.68
  4. Step 4: Simplify right side
    69,734.70x = 2,072,239,480.58
  5. Step 5: Solve for x
    x = 2,072,239,480.58/69,734.70
  6. Step 6: Final answer
    x = 29,716.04

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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.