Home / 67,084.85-100,630.71-17,165.39

Finding the Fourth Proportional to 67,084.85, 100,630.71 and 17,165.39

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Solution

The fourth proportional to 67,084.85, 100,630.71 and 17,165.39 is: 25,748.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,084.85 : 100,630.71 = 17,165.39 : x
  2. Step 2: Convert to fraction form
    67,084.85/100,630.71 = 17,165.39/x
  3. Step 3: Cross multiply
    67,084.85x = 100,630.71 × 17,165.39
  4. Step 4: Simplify right side
    67,084.85x = 1,727,364,879.97
  5. Step 5: Solve for x
    x = 1,727,364,879.97/67,084.85
  6. Step 6: Final answer
    x = 25,748.96

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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.