Home / 80,629.81-111,268.31-44,819.06

Finding the Fourth Proportional to 80,629.81, 111,268.31 and 44,819.06

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Solution

The fourth proportional to 80,629.81, 111,268.31 and 44,819.06 is: 61,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629.81 : 111,268.31 = 44,819.06 : x
  2. Step 2: Convert to fraction form
    80,629.81/111,268.31 = 44,819.06/x
  3. Step 3: Cross multiply
    80,629.81x = 111,268.31 × 44,819.06
  4. Step 4: Simplify right side
    80,629.81x = 4,986,940,281.55
  5. Step 5: Solve for x
    x = 4,986,940,281.55/80,629.81
  6. Step 6: Final answer
    x = 61,849.83

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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.