Home / 79,581.71-109,822.81-43,774.44

Finding the Fourth Proportional to 79,581.71, 109,822.81 and 43,774.44

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Solution

The fourth proportional to 79,581.71, 109,822.81 and 43,774.44 is: 60,408.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,581.71 : 109,822.81 = 43,774.44 : x
  2. Step 2: Convert to fraction form
    79,581.71/109,822.81 = 43,774.44/x
  3. Step 3: Cross multiply
    79,581.71x = 109,822.81 × 43,774.44
  4. Step 4: Simplify right side
    79,581.71x = 4,807,432,308.65
  5. Step 5: Solve for x
    x = 4,807,432,308.65/79,581.71
  6. Step 6: Final answer
    x = 60,408.76

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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.