Home / 68,830.92-94,996.38-40,160.04

Finding the Fourth Proportional to 68,830.92, 94,996.38 and 40,160.04

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Solution

The fourth proportional to 68,830.92, 94,996.38 and 40,160.04 is: 55,426.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830.92 : 94,996.38 = 40,160.04 : x
  2. Step 2: Convert to fraction form
    68,830.92/94,996.38 = 40,160.04/x
  3. Step 3: Cross multiply
    68,830.92x = 94,996.38 × 40,160.04
  4. Step 4: Simplify right side
    68,830.92x = 3,815,058,420.66
  5. Step 5: Solve for x
    x = 3,815,058,420.66/68,830.92
  6. Step 6: Final answer
    x = 55,426.52

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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.