Home / 51,067.06-70,449.51-29,836.78

Finding the Fourth Proportional to 51,067.06, 70,449.51 and 29,836.78

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Solution

The fourth proportional to 51,067.06, 70,449.51 and 29,836.78 is: 41,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.06 : 70,449.51 = 29,836.78 : x
  2. Step 2: Convert to fraction form
    51,067.06/70,449.51 = 29,836.78/x
  3. Step 3: Cross multiply
    51,067.06x = 70,449.51 × 29,836.78
  4. Step 4: Simplify right side
    51,067.06x = 2,101,986,530.98
  5. Step 5: Solve for x
    x = 2,101,986,530.98/51,067.06
  6. Step 6: Final answer
    x = 41,161.30

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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.