Home / 67,087.49-100,634.66-17,168.01

Finding the Fourth Proportional to 67,087.49, 100,634.66 and 17,168.01

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Solution

The fourth proportional to 67,087.49, 100,634.66 and 17,168.01 is: 25,752.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087.49 : 100,634.66 = 17,168.01 : x
  2. Step 2: Convert to fraction form
    67,087.49/100,634.66 = 17,168.01/x
  3. Step 3: Cross multiply
    67,087.49x = 100,634.66 × 17,168.01
  4. Step 4: Simplify right side
    67,087.49x = 1,727,696,763.39
  5. Step 5: Solve for x
    x = 1,727,696,763.39/67,087.49
  6. Step 6: Final answer
    x = 25,752.89

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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.