Home / 68,067.41-93,919.26-39,767.63

Finding the Fourth Proportional to 68,067.41, 93,919.26 and 39,767.63

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Solution

The fourth proportional to 68,067.41, 93,919.26 and 39,767.63 is: 54,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,067.41 : 93,919.26 = 39,767.63 : x
  2. Step 2: Convert to fraction form
    68,067.41/93,919.26 = 39,767.63/x
  3. Step 3: Cross multiply
    68,067.41x = 93,919.26 × 39,767.63
  4. Step 4: Simplify right side
    68,067.41x = 3,734,946,381.55
  5. Step 5: Solve for x
    x = 3,734,946,381.55/68,067.41
  6. Step 6: Final answer
    x = 54,871.29

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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.