Home / 68,828.10-94,982.82-40,167.48

Finding the Fourth Proportional to 68,828.10, 94,982.82 and 40,167.48

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Solution

The fourth proportional to 68,828.10, 94,982.82 and 40,167.48 is: 55,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.10 : 94,982.82 = 40,167.48 : x
  2. Step 2: Convert to fraction form
    68,828.10/94,982.82 = 40,167.48/x
  3. Step 3: Cross multiply
    68,828.10x = 94,982.82 × 40,167.48
  4. Step 4: Simplify right side
    68,828.10x = 3,815,220,522.69
  5. Step 5: Solve for x
    x = 3,815,220,522.69/68,828.10
  6. Step 6: Final answer
    x = 55,431.15

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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.