Home / 67,084.18-100,629.71-17,164.70

Finding the Fourth Proportional to 67,084.18, 100,629.71 and 17,164.70

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Solution

The fourth proportional to 67,084.18, 100,629.71 and 17,164.70 is: 25,747.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.18 : 100,629.71 = 17,164.70 : x
  2. Step 2: Convert to fraction form
    67,084.18/100,629.71 = 17,164.70/x
  3. Step 3: Cross multiply
    67,084.18x = 100,629.71 × 17,164.70
  4. Step 4: Simplify right side
    67,084.18x = 1,727,278,783.24
  5. Step 5: Solve for x
    x = 1,727,278,783.24/67,084.18
  6. Step 6: Final answer
    x = 25,747.93

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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.