Home / 79,286.30-109,415.04-43,476.92

Finding the Fourth Proportional to 79,286.30, 109,415.04 and 43,476.92

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Solution

The fourth proportional to 79,286.30, 109,415.04 and 43,476.92 is: 59,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.30 : 109,415.04 = 43,476.92 : x
  2. Step 2: Convert to fraction form
    79,286.30/109,415.04 = 43,476.92/x
  3. Step 3: Cross multiply
    79,286.30x = 109,415.04 × 43,476.92
  4. Step 4: Simplify right side
    79,286.30x = 4,757,028,940.88
  5. Step 5: Solve for x
    x = 4,757,028,940.88/79,286.30
  6. Step 6: Final answer
    x = 59,998.12

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1.5x scale

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.