Home / 79,546.08-109,772.61-43,735.78

Finding the Fourth Proportional to 79,546.08, 109,772.61 and 43,735.78

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Solution

The fourth proportional to 79,546.08, 109,772.61 and 43,735.78 is: 60,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,546.08 : 109,772.61 = 43,735.78 : x
  2. Step 2: Convert to fraction form
    79,546.08/109,772.61 = 43,735.78/x
  3. Step 3: Cross multiply
    79,546.08x = 109,772.61 × 43,735.78
  4. Step 4: Simplify right side
    79,546.08x = 4,800,990,502.31
  5. Step 5: Solve for x
    x = 4,800,990,502.31/79,546.08
  6. Step 6: Final answer
    x = 60,354.83

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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.