Home / 69,713.25-104,570.21-17,122.74

Finding the Fourth Proportional to 69,713.25, 104,570.21 and 17,122.74

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Solution

The fourth proportional to 69,713.25, 104,570.21 and 17,122.74 is: 25,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,713.25 : 104,570.21 = 17,122.74 : x
  2. Step 2: Convert to fraction form
    69,713.25/104,570.21 = 17,122.74/x
  3. Step 3: Cross multiply
    69,713.25x = 104,570.21 × 17,122.74
  4. Step 4: Simplify right side
    69,713.25x = 1,790,528,517.58
  5. Step 5: Solve for x
    x = 1,790,528,517.58/69,713.25
  6. Step 6: Final answer
    x = 25,684.19

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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.