Home / 80,917.20-121,388.16-24,744.24

Finding the Fourth Proportional to 80,917.20, 121,388.16 and 24,744.24

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Solution

The fourth proportional to 80,917.20, 121,388.16 and 24,744.24 is: 37,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,917.20 : 121,388.16 = 24,744.24 : x
  2. Step 2: Convert to fraction form
    80,917.20/121,388.16 = 24,744.24/x
  3. Step 3: Cross multiply
    80,917.20x = 121,388.16 × 24,744.24
  4. Step 4: Simplify right side
    80,917.20x = 3,003,657,764.20
  5. Step 5: Solve for x
    x = 3,003,657,764.20/80,917.20
  6. Step 6: Final answer
    x = 37,120.14

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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.