Home / 68,392.11-94,372.65-38,179.11

Finding the Fourth Proportional to 68,392.11, 94,372.65 and 38,179.11

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Solution

The fourth proportional to 68,392.11, 94,372.65 and 38,179.11 is: 52,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.11 : 94,372.65 = 38,179.11 : x
  2. Step 2: Convert to fraction form
    68,392.11/94,372.65 = 38,179.11/x
  3. Step 3: Cross multiply
    68,392.11x = 94,372.65 × 38,179.11
  4. Step 4: Simplify right side
    68,392.11x = 3,603,063,785.34
  5. Step 5: Solve for x
    x = 3,603,063,785.34/68,392.11
  6. Step 6: Final answer
    x = 52,682.45

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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.