Home / 68,929.80-95,131.92-42,066.60

Finding the Fourth Proportional to 68,929.80, 95,131.92 and 42,066.60

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Solution

The fourth proportional to 68,929.80, 95,131.92 and 42,066.60 is: 58,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,929.80 : 95,131.92 = 42,066.60 : x
  2. Step 2: Convert to fraction form
    68,929.80/95,131.92 = 42,066.60/x
  3. Step 3: Cross multiply
    68,929.80x = 95,131.92 × 42,066.60
  4. Step 4: Simplify right side
    68,929.80x = 4,001,876,425.87
  5. Step 5: Solve for x
    x = 4,001,876,425.87/68,929.80
  6. Step 6: Final answer
    x = 58,057.28

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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.