Home / 68,764.40-103,086.60-26,673.20

Finding the Fourth Proportional to 68,764.40, 103,086.60 and 26,673.20

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Solution

The fourth proportional to 68,764.40, 103,086.60 and 26,673.20 is: 39,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,764.40 : 103,086.60 = 26,673.20 : x
  2. Step 2: Convert to fraction form
    68,764.40/103,086.60 = 26,673.20/x
  3. Step 3: Cross multiply
    68,764.40x = 103,086.60 × 26,673.20
  4. Step 4: Simplify right side
    68,764.40x = 2,749,649,499.12
  5. Step 5: Solve for x
    x = 2,749,649,499.12/68,764.40
  6. Step 6: Final answer
    x = 39,986.53

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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.