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Finding the Fourth Proportional to 79,633.26, 109,891.50 and 43,823.22

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Solution

The fourth proportional to 79,633.26, 109,891.50 and 43,823.22 is: 60,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,633.26 : 109,891.50 = 43,823.22 : x
  2. Step 2: Convert to fraction form
    79,633.26/109,891.50 = 43,823.22/x
  3. Step 3: Cross multiply
    79,633.26x = 109,891.50 × 43,823.22
  4. Step 4: Simplify right side
    79,633.26x = 4,815,799,380.63
  5. Step 5: Solve for x
    x = 4,815,799,380.63/79,633.26
  6. Step 6: Final answer
    x = 60,474.72

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1.5x scale

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.