Home / 80,602.07-111,212.33-50,002.69

Finding the Fourth Proportional to 80,602.07, 111,212.33 and 50,002.69

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Solution

The fourth proportional to 80,602.07, 111,212.33 and 50,002.69 is: 68,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,602.07 : 111,212.33 = 50,002.69 : x
  2. Step 2: Convert to fraction form
    80,602.07/111,212.33 = 50,002.69/x
  3. Step 3: Cross multiply
    80,602.07x = 111,212.33 × 50,002.69
  4. Step 4: Simplify right side
    80,602.07x = 5,560,915,508.14
  5. Step 5: Solve for x
    x = 5,560,915,508.14/80,602.07
  6. Step 6: Final answer
    x = 68,992.22

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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.