Home / 80,976.99-121,483.25-24,821.33

Finding the Fourth Proportional to 80,976.99, 121,483.25 and 24,821.33

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Solution

The fourth proportional to 80,976.99, 121,483.25 and 24,821.33 is: 37,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.99 : 121,483.25 = 24,821.33 : x
  2. Step 2: Convert to fraction form
    80,976.99/121,483.25 = 24,821.33/x
  3. Step 3: Cross multiply
    80,976.99x = 121,483.25 × 24,821.33
  4. Step 4: Simplify right side
    80,976.99x = 3,015,375,106.20
  5. Step 5: Solve for x
    x = 3,015,375,106.20/80,976.99
  6. Step 6: Final answer
    x = 37,237.43

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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.