Home / 75,310.92-103,917.33-43,473.69

Finding the Fourth Proportional to 75,310.92, 103,917.33 and 43,473.69

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Solution

The fourth proportional to 75,310.92, 103,917.33 and 43,473.69 is: 59,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.92 : 103,917.33 = 43,473.69 : x
  2. Step 2: Convert to fraction form
    75,310.92/103,917.33 = 43,473.69/x
  3. Step 3: Cross multiply
    75,310.92x = 103,917.33 × 43,473.69
  4. Step 4: Simplify right side
    75,310.92x = 4,517,669,790.05
  5. Step 5: Solve for x
    x = 4,517,669,790.05/75,310.92
  6. Step 6: Final answer
    x = 59,986.92

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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.