Home / 65,942.97-90,996.99-42,067.08

Finding the Fourth Proportional to 65,942.97, 90,996.99 and 42,067.08

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Solution

The fourth proportional to 65,942.97, 90,996.99 and 42,067.08 is: 58,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942.97 : 90,996.99 = 42,067.08 : x
  2. Step 2: Convert to fraction form
    65,942.97/90,996.99 = 42,067.08/x
  3. Step 3: Cross multiply
    65,942.97x = 90,996.99 × 42,067.08
  4. Step 4: Simplify right side
    65,942.97x = 3,827,977,658.09
  5. Step 5: Solve for x
    x = 3,827,977,658.09/65,942.97
  6. Step 6: Final answer
    x = 58,049.82

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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.