Home / 83,480.29-115,214.61-51,659.44

Finding the Fourth Proportional to 83,480.29, 115,214.61 and 51,659.44

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Solution

The fourth proportional to 83,480.29, 115,214.61 and 51,659.44 is: 71,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480.29 : 115,214.61 = 51,659.44 : x
  2. Step 2: Convert to fraction form
    83,480.29/115,214.61 = 51,659.44/x
  3. Step 3: Cross multiply
    83,480.29x = 115,214.61 × 51,659.44
  4. Step 4: Simplify right side
    83,480.29x = 5,951,922,232.42
  5. Step 5: Solve for x
    x = 5,951,922,232.42/83,480.29
  6. Step 6: Final answer
    x = 71,297.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.