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Finding the Fourth Proportional to 79,224.44, 109,329.48 and 43,414.76

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Solution

The fourth proportional to 79,224.44, 109,329.48 and 43,414.76 is: 59,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.44 : 109,329.48 = 43,414.76 : x
  2. Step 2: Convert to fraction form
    79,224.44/109,329.48 = 43,414.76/x
  3. Step 3: Cross multiply
    79,224.44x = 109,329.48 × 43,414.76
  4. Step 4: Simplify right side
    79,224.44x = 4,746,513,135.12
  5. Step 5: Solve for x
    x = 4,746,513,135.12/79,224.44
  6. Step 6: Final answer
    x = 59,912.23

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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.