Home / 84,067.05-126,130.68-36,015.50

Finding the Fourth Proportional to 84,067.05, 126,130.68 and 36,015.50

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Solution

The fourth proportional to 84,067.05, 126,130.68 and 36,015.50 is: 54,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,067.05 : 126,130.68 = 36,015.50 : x
  2. Step 2: Convert to fraction form
    84,067.05/126,130.68 = 36,015.50/x
  3. Step 3: Cross multiply
    84,067.05x = 126,130.68 × 36,015.50
  4. Step 4: Simplify right side
    84,067.05x = 4,542,659,505.54
  5. Step 5: Solve for x
    x = 4,542,659,505.54/84,067.05
  6. Step 6: Final answer
    x = 54,036.15

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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.