Home / 83,838.20-125,772.82-27,682.22

Finding the Fourth Proportional to 83,838.20, 125,772.82 and 27,682.22

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Solution

The fourth proportional to 83,838.20, 125,772.82 and 27,682.22 is: 41,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838.20 : 125,772.82 = 27,682.22 : x
  2. Step 2: Convert to fraction form
    83,838.20/125,772.82 = 27,682.22/x
  3. Step 3: Cross multiply
    83,838.20x = 125,772.82 × 27,682.22
  4. Step 4: Simplify right side
    83,838.20x = 3,481,670,873.26
  5. Step 5: Solve for x
    x = 3,481,670,873.26/83,838.20
  6. Step 6: Final answer
    x = 41,528.45

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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.