Home / 90,067.82-135,101.72-23,507.36

Finding the Fourth Proportional to 90,067.82, 135,101.72 and 23,507.36

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Solution

The fourth proportional to 90,067.82, 135,101.72 and 23,507.36 is: 35,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,067.82 : 135,101.72 = 23,507.36 : x
  2. Step 2: Convert to fraction form
    90,067.82/135,101.72 = 23,507.36/x
  3. Step 3: Cross multiply
    90,067.82x = 135,101.72 × 23,507.36
  4. Step 4: Simplify right side
    90,067.82x = 3,175,885,418.50
  5. Step 5: Solve for x
    x = 3,175,885,418.50/90,067.82
  6. Step 6: Final answer
    x = 35,261.05

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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.