Home / 69,623.39-104,440.61-19,703.80

Finding the Fourth Proportional to 69,623.39, 104,440.61 and 19,703.80

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Solution

The fourth proportional to 69,623.39, 104,440.61 and 19,703.80 is: 29,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,623.39 : 104,440.61 = 19,703.80 : x
  2. Step 2: Convert to fraction form
    69,623.39/104,440.61 = 19,703.80/x
  3. Step 3: Cross multiply
    69,623.39x = 104,440.61 × 19,703.80
  4. Step 4: Simplify right side
    69,623.39x = 2,057,876,960.29
  5. Step 5: Solve for x
    x = 2,057,876,960.29/69,623.39
  6. Step 6: Final answer
    x = 29,557.26

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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.