Home / 80,231.92-110,721.77-43,934.89

Finding the Fourth Proportional to 80,231.92, 110,721.77 and 43,934.89

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Solution

The fourth proportional to 80,231.92, 110,721.77 and 43,934.89 is: 60,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.92 : 110,721.77 = 43,934.89 : x
  2. Step 2: Convert to fraction form
    80,231.92/110,721.77 = 43,934.89/x
  3. Step 3: Cross multiply
    80,231.92x = 110,721.77 × 43,934.89
  4. Step 4: Simplify right side
    80,231.92x = 4,864,549,313.89
  5. Step 5: Solve for x
    x = 4,864,549,313.89/80,231.92
  6. Step 6: Final answer
    x = 60,631.10

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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.