Home / 79,579.73-109,820.21-43,769.03

Finding the Fourth Proportional to 79,579.73, 109,820.21 and 43,769.03

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Solution

The fourth proportional to 79,579.73, 109,820.21 and 43,769.03 is: 60,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,579.73 : 109,820.21 = 43,769.03 : x
  2. Step 2: Convert to fraction form
    79,579.73/109,820.21 = 43,769.03/x
  3. Step 3: Cross multiply
    79,579.73x = 109,820.21 × 43,769.03
  4. Step 4: Simplify right side
    79,579.73x = 4,806,723,298.15
  5. Step 5: Solve for x
    x = 4,806,723,298.15/79,579.73
  6. Step 6: Final answer
    x = 60,401.35

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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.