Home / 80,445.06-120,708.54-33,096.51

Finding the Fourth Proportional to 80,445.06, 120,708.54 and 33,096.51

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Solution

The fourth proportional to 80,445.06, 120,708.54 and 33,096.51 is: 49,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,445.06 : 120,708.54 = 33,096.51 : x
  2. Step 2: Convert to fraction form
    80,445.06/120,708.54 = 33,096.51/x
  3. Step 3: Cross multiply
    80,445.06x = 120,708.54 × 33,096.51
  4. Step 4: Simplify right side
    80,445.06x = 3,995,031,401.20
  5. Step 5: Solve for x
    x = 3,995,031,401.20/80,445.06
  6. Step 6: Final answer
    x = 49,661.61

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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.