Home / 84,257.08-126,409.24-36,876.30

Finding the Fourth Proportional to 84,257.08, 126,409.24 and 36,876.30

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Solution

The fourth proportional to 84,257.08, 126,409.24 and 36,876.30 is: 55,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,257.08 : 126,409.24 = 36,876.30 : x
  2. Step 2: Convert to fraction form
    84,257.08/126,409.24 = 36,876.30/x
  3. Step 3: Cross multiply
    84,257.08x = 126,409.24 × 36,876.30
  4. Step 4: Simplify right side
    84,257.08x = 4,661,505,057.01
  5. Step 5: Solve for x
    x = 4,661,505,057.01/84,257.08
  6. Step 6: Final answer
    x = 55,324.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.