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Finding the Fourth Proportional to 80,315.75, 110,838.17 and 44,502.41

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Solution

The fourth proportional to 80,315.75, 110,838.17 and 44,502.41 is: 61,414.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.75 : 110,838.17 = 44,502.41 : x
  2. Step 2: Convert to fraction form
    80,315.75/110,838.17 = 44,502.41/x
  3. Step 3: Cross multiply
    80,315.75x = 110,838.17 × 44,502.41
  4. Step 4: Simplify right side
    80,315.75x = 4,932,565,684.99
  5. Step 5: Solve for x
    x = 4,932,565,684.99/80,315.75
  6. Step 6: Final answer
    x = 61,414.68

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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.