Home / 79,471.32-109,665.88-43,660.62

Finding the Fourth Proportional to 79,471.32, 109,665.88 and 43,660.62

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Solution

The fourth proportional to 79,471.32, 109,665.88 and 43,660.62 is: 60,249.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,471.32 : 109,665.88 = 43,660.62 : x
  2. Step 2: Convert to fraction form
    79,471.32/109,665.88 = 43,660.62/x
  3. Step 3: Cross multiply
    79,471.32x = 109,665.88 × 43,660.62
  4. Step 4: Simplify right side
    79,471.32x = 4,788,079,765.32
  5. Step 5: Solve for x
    x = 4,788,079,765.32/79,471.32
  6. Step 6: Final answer
    x = 60,249.15

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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.