Home / 79,375.05-109,537.45-43,565.15

Finding the Fourth Proportional to 79,375.05, 109,537.45 and 43,565.15

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Solution

The fourth proportional to 79,375.05, 109,537.45 and 43,565.15 is: 60,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,375.05 : 109,537.45 = 43,565.15 : x
  2. Step 2: Convert to fraction form
    79,375.05/109,537.45 = 43,565.15/x
  3. Step 3: Cross multiply
    79,375.05x = 109,537.45 × 43,565.15
  4. Step 4: Simplify right side
    79,375.05x = 4,772,015,604.80
  5. Step 5: Solve for x
    x = 4,772,015,604.80/79,375.05
  6. Step 6: Final answer
    x = 60,119.84

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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.