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Finding the Fourth Proportional to 73,321.96, 109,982.94 and 26,559.40

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Solution

The fourth proportional to 73,321.96, 109,982.94 and 26,559.40 is: 39,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,321.96 : 109,982.94 = 26,559.40 : x
  2. Step 2: Convert to fraction form
    73,321.96/109,982.94 = 26,559.40/x
  3. Step 3: Cross multiply
    73,321.96x = 109,982.94 × 26,559.40
  4. Step 4: Simplify right side
    73,321.96x = 2,921,080,896.64
  5. Step 5: Solve for x
    x = 2,921,080,896.64/73,321.96
  6. Step 6: Final answer
    x = 39,839.10

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Similar ratio
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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.