Home / 80,682.81-111,340.70-44,872.05

Finding the Fourth Proportional to 80,682.81, 111,340.70 and 44,872.05

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Solution

The fourth proportional to 80,682.81, 111,340.70 and 44,872.05 is: 61,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,682.81 : 111,340.70 = 44,872.05 : x
  2. Step 2: Convert to fraction form
    80,682.81/111,340.70 = 44,872.05/x
  3. Step 3: Cross multiply
    80,682.81x = 111,340.70 × 44,872.05
  4. Step 4: Simplify right side
    80,682.81x = 4,996,085,233.07
  5. Step 5: Solve for x
    x = 4,996,085,233.07/80,682.81
  6. Step 6: Final answer
    x = 61,922.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.