Home / 69,726.15-104,588.28-17,135.19

Finding the Fourth Proportional to 69,726.15, 104,588.28 and 17,135.19

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Solution

The fourth proportional to 69,726.15, 104,588.28 and 17,135.19 is: 25,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726.15 : 104,588.28 = 17,135.19 : x
  2. Step 2: Convert to fraction form
    69,726.15/104,588.28 = 17,135.19/x
  3. Step 3: Cross multiply
    69,726.15x = 104,588.28 × 17,135.19
  4. Step 4: Simplify right side
    69,726.15x = 1,792,140,049.57
  5. Step 5: Solve for x
    x = 1,792,140,049.57/69,726.15
  6. Step 6: Final answer
    x = 25,702.55

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1.5x scale

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.