Home / 79,480.20-109,682.46-43,671

Finding the Fourth Proportional to 79,480.20, 109,682.46 and 43,671

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Solution

The fourth proportional to 79,480.20, 109,682.46 and 43,671 is: 60,265.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480.20 : 109,682.46 = 43,671 : x
  2. Step 2: Convert to fraction form
    79,480.20/109,682.46 = 43,671/x
  3. Step 3: Cross multiply
    79,480.20x = 109,682.46 × 43,671
  4. Step 4: Simplify right side
    79,480.20x = 4,789,942,710.66
  5. Step 5: Solve for x
    x = 4,789,942,710.66/79,480.20
  6. Step 6: Final answer
    x = 60,265.86

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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.