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Finding the Fourth Proportional to 79,959.76, 110,350.96 and 45,979.29

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Solution

The fourth proportional to 79,959.76, 110,350.96 and 45,979.29 is: 63,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,959.76 : 110,350.96 = 45,979.29 : x
  2. Step 2: Convert to fraction form
    79,959.76/110,350.96 = 45,979.29/x
  3. Step 3: Cross multiply
    79,959.76x = 110,350.96 × 45,979.29
  4. Step 4: Simplify right side
    79,959.76x = 5,073,858,676.67
  5. Step 5: Solve for x
    x = 5,073,858,676.67/79,959.76
  6. Step 6: Final answer
    x = 63,455.15

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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.