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Finding the Fourth Proportional to 80,430.62, 110,996.06 and 44,620.11

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Solution

The fourth proportional to 80,430.62, 110,996.06 and 44,620.11 is: 61,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430.62 : 110,996.06 = 44,620.11 : x
  2. Step 2: Convert to fraction form
    80,430.62/110,996.06 = 44,620.11/x
  3. Step 3: Cross multiply
    80,430.62x = 110,996.06 × 44,620.11
  4. Step 4: Simplify right side
    80,430.62x = 4,952,656,183.67
  5. Step 5: Solve for x
    x = 4,952,656,183.67/80,430.62
  6. Step 6: Final answer
    x = 61,576.75

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1.5x scale

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.