Home / 52,149.45-78,195-17,086.17

Finding the Fourth Proportional to 52,149.45, 78,195 and 17,086.17

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Solution

The fourth proportional to 52,149.45, 78,195 and 17,086.17 is: 25,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.45 : 78,195 = 17,086.17 : x
  2. Step 2: Convert to fraction form
    52,149.45/78,195 = 17,086.17/x
  3. Step 3: Cross multiply
    52,149.45x = 78,195 × 17,086.17
  4. Step 4: Simplify right side
    52,149.45x = 1,336,053,063.15
  5. Step 5: Solve for x
    x = 1,336,053,063.15/52,149.45
  6. Step 6: Final answer
    x = 25,619.70

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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.