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Finding the Fourth Proportional to 79,659.44, 119,512.96 and 44,624.24

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Solution

The fourth proportional to 79,659.44, 119,512.96 and 44,624.24 is: 66,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,659.44 : 119,512.96 = 44,624.24 : x
  2. Step 2: Convert to fraction form
    79,659.44/119,512.96 = 44,624.24/x
  3. Step 3: Cross multiply
    79,659.44x = 119,512.96 × 44,624.24
  4. Step 4: Simplify right side
    79,659.44x = 5,333,175,010.15
  5. Step 5: Solve for x
    x = 5,333,175,010.15/79,659.44
  6. Step 6: Final answer
    x = 66,949.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.