Home / 79,631.92-109,892.07-43,821.93

Finding the Fourth Proportional to 79,631.92, 109,892.07 and 43,821.93

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Solution

The fourth proportional to 79,631.92, 109,892.07 and 43,821.93 is: 60,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,631.92 : 109,892.07 = 43,821.93 : x
  2. Step 2: Convert to fraction form
    79,631.92/109,892.07 = 43,821.93/x
  3. Step 3: Cross multiply
    79,631.92x = 109,892.07 × 43,821.93
  4. Step 4: Simplify right side
    79,631.92x = 4,815,682,873.83
  5. Step 5: Solve for x
    x = 4,815,682,873.83/79,631.92
  6. Step 6: Final answer
    x = 60,474.28

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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.