Home / 73,067.12-100,832.64-39,533.12

Finding the Fourth Proportional to 73,067.12, 100,832.64 and 39,533.12

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Solution

The fourth proportional to 73,067.12, 100,832.64 and 39,533.12 is: 54,555.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.12 : 100,832.64 = 39,533.12 : x
  2. Step 2: Convert to fraction form
    73,067.12/100,832.64 = 39,533.12/x
  3. Step 3: Cross multiply
    73,067.12x = 100,832.64 × 39,533.12
  4. Step 4: Simplify right side
    73,067.12x = 3,986,228,857.04
  5. Step 5: Solve for x
    x = 3,986,228,857.04/73,067.12
  6. Step 6: Final answer
    x = 54,555.71

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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.