Home / 83,768.70-125,651.31-27,612.17

Finding the Fourth Proportional to 83,768.70, 125,651.31 and 27,612.17

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Solution

The fourth proportional to 83,768.70, 125,651.31 and 27,612.17 is: 41,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.70 : 125,651.31 = 27,612.17 : x
  2. Step 2: Convert to fraction form
    83,768.70/125,651.31 = 27,612.17/x
  3. Step 3: Cross multiply
    83,768.70x = 125,651.31 × 27,612.17
  4. Step 4: Simplify right side
    83,768.70x = 3,469,505,332.44
  5. Step 5: Solve for x
    x = 3,469,505,332.44/83,768.70
  6. Step 6: Final answer
    x = 41,417.68

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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.