Home / 79,286.55-109,415.39-43,477.14

Finding the Fourth Proportional to 79,286.55, 109,415.39 and 43,477.14

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Solution

The fourth proportional to 79,286.55, 109,415.39 and 43,477.14 is: 59,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.55 : 109,415.39 = 43,477.14 : x
  2. Step 2: Convert to fraction form
    79,286.55/109,415.39 = 43,477.14/x
  3. Step 3: Cross multiply
    79,286.55x = 109,415.39 × 43,477.14
  4. Step 4: Simplify right side
    79,286.55x = 4,757,068,011.80
  5. Step 5: Solve for x
    x = 4,757,068,011.80/79,286.55
  6. Step 6: Final answer
    x = 59,998.42

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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.