Home / 68,241.15-94,179.78-38,031.39

Finding the Fourth Proportional to 68,241.15, 94,179.78 and 38,031.39

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Solution

The fourth proportional to 68,241.15, 94,179.78 and 38,031.39 is: 52,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241.15 : 94,179.78 = 38,031.39 : x
  2. Step 2: Convert to fraction form
    68,241.15/94,179.78 = 38,031.39/x
  3. Step 3: Cross multiply
    68,241.15x = 94,179.78 × 38,031.39
  4. Step 4: Simplify right side
    68,241.15x = 3,581,787,943.29
  5. Step 5: Solve for x
    x = 3,581,787,943.29/68,241.15
  6. Step 6: Final answer
    x = 52,487.22

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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.