Home / 79,667.60-109,939.56-43,856.24

Finding the Fourth Proportional to 79,667.60, 109,939.56 and 43,856.24

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Solution

The fourth proportional to 79,667.60, 109,939.56 and 43,856.24 is: 60,520.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,667.60 : 109,939.56 = 43,856.24 : x
  2. Step 2: Convert to fraction form
    79,667.60/109,939.56 = 43,856.24/x
  3. Step 3: Cross multiply
    79,667.60x = 109,939.56 × 43,856.24
  4. Step 4: Simplify right side
    79,667.60x = 4,821,535,728.85
  5. Step 5: Solve for x
    x = 4,821,535,728.85/79,667.60
  6. Step 6: Final answer
    x = 60,520.66

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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.