Home / 87,964.74-121,388.31-52,133.49

Finding the Fourth Proportional to 87,964.74, 121,388.31 and 52,133.49

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Solution

The fourth proportional to 87,964.74, 121,388.31 and 52,133.49 is: 71,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,964.74 : 121,388.31 = 52,133.49 : x
  2. Step 2: Convert to fraction form
    87,964.74/121,388.31 = 52,133.49/x
  3. Step 3: Cross multiply
    87,964.74x = 121,388.31 × 52,133.49
  4. Step 4: Simplify right side
    87,964.74x = 6,328,396,245.50
  5. Step 5: Solve for x
    x = 6,328,396,245.50/87,964.74
  6. Step 6: Final answer
    x = 71,942.42

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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.