Home / 68,578.09-94,633.97-38,357.58

Finding the Fourth Proportional to 68,578.09, 94,633.97 and 38,357.58

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Solution

The fourth proportional to 68,578.09, 94,633.97 and 38,357.58 is: 52,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,578.09 : 94,633.97 = 38,357.58 : x
  2. Step 2: Convert to fraction form
    68,578.09/94,633.97 = 38,357.58/x
  3. Step 3: Cross multiply
    68,578.09x = 94,633.97 × 38,357.58
  4. Step 4: Simplify right side
    68,578.09x = 3,629,930,238.08
  5. Step 5: Solve for x
    x = 3,629,930,238.08/68,578.09
  6. Step 6: Final answer
    x = 52,931.34

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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.