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Finding the Fourth Proportional to 73,266.50, 109,899.87 and 26,508.44

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Solution

The fourth proportional to 73,266.50, 109,899.87 and 26,508.44 is: 39,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.50 : 109,899.87 = 26,508.44 : x
  2. Step 2: Convert to fraction form
    73,266.50/109,899.87 = 26,508.44/x
  3. Step 3: Cross multiply
    73,266.50x = 109,899.87 × 26,508.44
  4. Step 4: Simplify right side
    73,266.50x = 2,913,274,109.90
  5. Step 5: Solve for x
    x = 2,913,274,109.90/73,266.50
  6. Step 6: Final answer
    x = 39,762.70

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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.