Home / 69,120.14-103,698.33-21,733.31

Finding the Fourth Proportional to 69,120.14, 103,698.33 and 21,733.31

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Solution

The fourth proportional to 69,120.14, 103,698.33 and 21,733.31 is: 32,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,120.14 : 103,698.33 = 21,733.31 : x
  2. Step 2: Convert to fraction form
    69,120.14/103,698.33 = 21,733.31/x
  3. Step 3: Cross multiply
    69,120.14x = 103,698.33 × 21,733.31
  4. Step 4: Simplify right side
    69,120.14x = 2,253,707,433.88
  5. Step 5: Solve for x
    x = 2,253,707,433.88/69,120.14
  6. Step 6: Final answer
    x = 32,605.66

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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.