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Finding the Fourth Proportional to 80,129.80, 110,570.64 and 44,314.12

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Solution

The fourth proportional to 80,129.80, 110,570.64 and 44,314.12 is: 61,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,129.80 : 110,570.64 = 44,314.12 : x
  2. Step 2: Convert to fraction form
    80,129.80/110,570.64 = 44,314.12/x
  3. Step 3: Cross multiply
    80,129.80x = 110,570.64 × 44,314.12
  4. Step 4: Simplify right side
    80,129.80x = 4,899,840,609.44
  5. Step 5: Solve for x
    x = 4,899,840,609.44/80,129.80
  6. Step 6: Final answer
    x = 61,148.79

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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.