Home / 79,267.05-109,388.50-43,456.29

Finding the Fourth Proportional to 79,267.05, 109,388.50 and 43,456.29

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Solution

The fourth proportional to 79,267.05, 109,388.50 and 43,456.29 is: 59,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.05 : 109,388.50 = 43,456.29 : x
  2. Step 2: Convert to fraction form
    79,267.05/109,388.50 = 43,456.29/x
  3. Step 3: Cross multiply
    79,267.05x = 109,388.50 × 43,456.29
  4. Step 4: Simplify right side
    79,267.05x = 4,753,618,270.02
  5. Step 5: Solve for x
    x = 4,753,618,270.02/79,267.05
  6. Step 6: Final answer
    x = 59,969.66

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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.