Home / 69,129.27-103,710.38-22,382.15

Finding the Fourth Proportional to 69,129.27, 103,710.38 and 22,382.15

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Solution

The fourth proportional to 69,129.27, 103,710.38 and 22,382.15 is: 33,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,129.27 : 103,710.38 = 22,382.15 : x
  2. Step 2: Convert to fraction form
    69,129.27/103,710.38 = 22,382.15/x
  3. Step 3: Cross multiply
    69,129.27x = 103,710.38 × 22,382.15
  4. Step 4: Simplify right side
    69,129.27x = 2,321,260,651.25
  5. Step 5: Solve for x
    x = 2,321,260,651.25/69,129.27
  6. Step 6: Final answer
    x = 33,578.55

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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.