Home / 68,921.86-103,334.14-26,766.82

Finding the Fourth Proportional to 68,921.86, 103,334.14 and 26,766.82

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Solution

The fourth proportional to 68,921.86, 103,334.14 and 26,766.82 is: 40,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,921.86 : 103,334.14 = 26,766.82 : x
  2. Step 2: Convert to fraction form
    68,921.86/103,334.14 = 26,766.82/x
  3. Step 3: Cross multiply
    68,921.86x = 103,334.14 × 26,766.82
  4. Step 4: Simplify right side
    68,921.86x = 2,765,926,325.23
  5. Step 5: Solve for x
    x = 2,765,926,325.23/68,921.86
  6. Step 6: Final answer
    x = 40,131.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.