Home / 80,815.56-121,230.36-24,668.34

Finding the Fourth Proportional to 80,815.56, 121,230.36 and 24,668.34

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Solution

The fourth proportional to 80,815.56, 121,230.36 and 24,668.34 is: 37,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,815.56 : 121,230.36 = 24,668.34 : x
  2. Step 2: Convert to fraction form
    80,815.56/121,230.36 = 24,668.34/x
  3. Step 3: Cross multiply
    80,815.56x = 121,230.36 × 24,668.34
  4. Step 4: Simplify right side
    80,815.56x = 2,990,551,738.80
  5. Step 5: Solve for x
    x = 2,990,551,738.80/80,815.56
  6. Step 6: Final answer
    x = 37,004.65

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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.