Home / 80,489.22-111,073.03-44,678.31

Finding the Fourth Proportional to 80,489.22, 111,073.03 and 44,678.31

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Solution

The fourth proportional to 80,489.22, 111,073.03 and 44,678.31 is: 61,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,489.22 : 111,073.03 = 44,678.31 : x
  2. Step 2: Convert to fraction form
    80,489.22/111,073.03 = 44,678.31/x
  3. Step 3: Cross multiply
    80,489.22x = 111,073.03 × 44,678.31
  4. Step 4: Simplify right side
    80,489.22x = 4,962,555,266.98
  5. Step 5: Solve for x
    x = 4,962,555,266.98/80,489.22
  6. Step 6: Final answer
    x = 61,654.91

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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.