Home / 79,181.32-109,270.26-43,371.92

Finding the Fourth Proportional to 79,181.32, 109,270.26 and 43,371.92

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Solution

The fourth proportional to 79,181.32, 109,270.26 and 43,371.92 is: 59,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,181.32 : 109,270.26 = 43,371.92 : x
  2. Step 2: Convert to fraction form
    79,181.32/109,270.26 = 43,371.92/x
  3. Step 3: Cross multiply
    79,181.32x = 109,270.26 × 43,371.92
  4. Step 4: Simplify right side
    79,181.32x = 4,739,260,975.10
  5. Step 5: Solve for x
    x = 4,739,260,975.10/79,181.32
  6. Step 6: Final answer
    x = 59,853.27

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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.