Home / 80,678.25-121,023.77-24,523.23

Finding the Fourth Proportional to 80,678.25, 121,023.77 and 24,523.23

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Solution

The fourth proportional to 80,678.25, 121,023.77 and 24,523.23 is: 36,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,678.25 : 121,023.77 = 24,523.23 : x
  2. Step 2: Convert to fraction form
    80,678.25/121,023.77 = 24,523.23/x
  3. Step 3: Cross multiply
    80,678.25x = 121,023.77 × 24,523.23
  4. Step 4: Simplify right side
    80,678.25x = 2,967,893,624.56
  5. Step 5: Solve for x
    x = 2,967,893,624.56/80,678.25
  6. Step 6: Final answer
    x = 36,786.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.