Home / 68,412.56-94,408.41-38,198.39

Finding the Fourth Proportional to 68,412.56, 94,408.41 and 38,198.39

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Solution

The fourth proportional to 68,412.56, 94,408.41 and 38,198.39 is: 52,713.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,412.56 : 94,408.41 = 38,198.39 : x
  2. Step 2: Convert to fraction form
    68,412.56/94,408.41 = 38,198.39/x
  3. Step 3: Cross multiply
    68,412.56x = 94,408.41 × 38,198.39
  4. Step 4: Simplify right side
    68,412.56x = 3,606,248,792.42
  5. Step 5: Solve for x
    x = 3,606,248,792.42/68,412.56
  6. Step 6: Final answer
    x = 52,713.26

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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.