Home / 98,086.68-135,357.62-55,067.18

Finding the Fourth Proportional to 98,086.68, 135,357.62 and 55,067.18

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Solution

The fourth proportional to 98,086.68, 135,357.62 and 55,067.18 is: 75,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,086.68 : 135,357.62 = 55,067.18 : x
  2. Step 2: Convert to fraction form
    98,086.68/135,357.62 = 55,067.18/x
  3. Step 3: Cross multiply
    98,086.68x = 135,357.62 × 55,067.18
  4. Step 4: Simplify right side
    98,086.68x = 7,453,761,472.79
  5. Step 5: Solve for x
    x = 7,453,761,472.79/98,086.68
  6. Step 6: Final answer
    x = 75,991.58

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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.