Home / 81,725.63-122,595.48-22,561.29

Finding the Fourth Proportional to 81,725.63, 122,595.48 and 22,561.29

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Solution

The fourth proportional to 81,725.63, 122,595.48 and 22,561.29 is: 33,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,725.63 : 122,595.48 = 22,561.29 : x
  2. Step 2: Convert to fraction form
    81,725.63/122,595.48 = 22,561.29/x
  3. Step 3: Cross multiply
    81,725.63x = 122,595.48 × 22,561.29
  4. Step 4: Simplify right side
    81,725.63x = 2,765,912,176.97
  5. Step 5: Solve for x
    x = 2,765,912,176.97/81,725.63
  6. Step 6: Final answer
    x = 33,843.88

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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.