Home / 67,083.04-100,628-17,163.57

Finding the Fourth Proportional to 67,083.04, 100,628 and 17,163.57

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Solution

The fourth proportional to 67,083.04, 100,628 and 17,163.57 is: 25,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.04 : 100,628 = 17,163.57 : x
  2. Step 2: Convert to fraction form
    67,083.04/100,628 = 17,163.57/x
  3. Step 3: Cross multiply
    67,083.04x = 100,628 × 17,163.57
  4. Step 4: Simplify right side
    67,083.04x = 1,727,135,721.96
  5. Step 5: Solve for x
    x = 1,727,135,721.96/67,083.04
  6. Step 6: Final answer
    x = 25,746.24

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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.