Home / 79,667.37-109,940.04-43,856.64

Finding the Fourth Proportional to 79,667.37, 109,940.04 and 43,856.64

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Solution

The fourth proportional to 79,667.37, 109,940.04 and 43,856.64 is: 60,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667.37 : 109,940.04 = 43,856.64 : x
  2. Step 2: Convert to fraction form
    79,667.37/109,940.04 = 43,856.64/x
  3. Step 3: Cross multiply
    79,667.37x = 109,940.04 × 43,856.64
  4. Step 4: Simplify right side
    79,667.37x = 4,821,600,755.87
  5. Step 5: Solve for x
    x = 4,821,600,755.87/79,667.37
  6. Step 6: Final answer
    x = 60,521.65

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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.