Home / 79,934.72-119,904-27,343.84

Finding the Fourth Proportional to 79,934.72, 119,904 and 27,343.84

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Solution

The fourth proportional to 79,934.72, 119,904 and 27,343.84 is: 41,016.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934.72 : 119,904 = 27,343.84 : x
  2. Step 2: Convert to fraction form
    79,934.72/119,904 = 27,343.84/x
  3. Step 3: Cross multiply
    79,934.72x = 119,904 × 27,343.84
  4. Step 4: Simplify right side
    79,934.72x = 3,278,635,791.36
  5. Step 5: Solve for x
    x = 3,278,635,791.36/79,934.72
  6. Step 6: Final answer
    x = 41,016.42

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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.