Home / 79,729.76-110,022.99-43,919

Finding the Fourth Proportional to 79,729.76, 110,022.99 and 43,919

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Solution

The fourth proportional to 79,729.76, 110,022.99 and 43,919 is: 60,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,729.76 : 110,022.99 = 43,919 : x
  2. Step 2: Convert to fraction form
    79,729.76/110,022.99 = 43,919/x
  3. Step 3: Cross multiply
    79,729.76x = 110,022.99 × 43,919
  4. Step 4: Simplify right side
    79,729.76x = 4,832,099,697.81
  5. Step 5: Solve for x
    x = 4,832,099,697.81/79,729.76
  6. Step 6: Final answer
    x = 60,605.97

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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.