Home / 69,589.80-104,370.66-19,674.36

Finding the Fourth Proportional to 69,589.80, 104,370.66 and 19,674.36

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Solution

The fourth proportional to 69,589.80, 104,370.66 and 19,674.36 is: 29,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,589.80 : 104,370.66 = 19,674.36 : x
  2. Step 2: Convert to fraction form
    69,589.80/104,370.66 = 19,674.36/x
  3. Step 3: Cross multiply
    69,589.80x = 104,370.66 × 19,674.36
  4. Step 4: Simplify right side
    69,589.80x = 2,053,425,938.28
  5. Step 5: Solve for x
    x = 2,053,425,938.28/69,589.80
  6. Step 6: Final answer
    x = 29,507.57

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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.