Home / 69,623.46-104,439.24-19,699.38

Finding the Fourth Proportional to 69,623.46, 104,439.24 and 19,699.38

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Solution

The fourth proportional to 69,623.46, 104,439.24 and 19,699.38 is: 29,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,623.46 : 104,439.24 = 19,699.38 : x
  2. Step 2: Convert to fraction form
    69,623.46/104,439.24 = 19,699.38/x
  3. Step 3: Cross multiply
    69,623.46x = 104,439.24 × 19,699.38
  4. Step 4: Simplify right side
    69,623.46x = 2,057,388,275.67
  5. Step 5: Solve for x
    x = 2,057,388,275.67/69,623.46
  6. Step 6: Final answer
    x = 29,550.22

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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.