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Finding the Fourth Proportional to 80,308.74, 110,824.41 and 44,498.64

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Solution

The fourth proportional to 80,308.74, 110,824.41 and 44,498.64 is: 61,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,308.74 : 110,824.41 = 44,498.64 : x
  2. Step 2: Convert to fraction form
    80,308.74/110,824.41 = 44,498.64/x
  3. Step 3: Cross multiply
    80,308.74x = 110,824.41 × 44,498.64
  4. Step 4: Simplify right side
    80,308.74x = 4,931,535,523.80
  5. Step 5: Solve for x
    x = 4,931,535,523.80/80,308.74
  6. Step 6: Final answer
    x = 61,407.21

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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.