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Finding the Fourth Proportional to 80,299.43, 110,814.10 and 44,490

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Solution

The fourth proportional to 80,299.43, 110,814.10 and 44,490 is: 61,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,299.43 : 110,814.10 = 44,490 : x
  2. Step 2: Convert to fraction form
    80,299.43/110,814.10 = 44,490/x
  3. Step 3: Cross multiply
    80,299.43x = 110,814.10 × 44,490
  4. Step 4: Simplify right side
    80,299.43x = 4,930,119,197.78
  5. Step 5: Solve for x
    x = 4,930,119,197.78/80,299.43
  6. Step 6: Final answer
    x = 61,396.69

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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.