Home / 81,725.56-122,579.16-22,569.64

Finding the Fourth Proportional to 81,725.56, 122,579.16 and 22,569.64

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Solution

The fourth proportional to 81,725.56, 122,579.16 and 22,569.64 is: 33,851.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,725.56 : 122,579.16 = 22,569.64 : x
  2. Step 2: Convert to fraction form
    81,725.56/122,579.16 = 22,569.64/x
  3. Step 3: Cross multiply
    81,725.56x = 122,579.16 × 22,569.64
  4. Step 4: Simplify right side
    81,725.56x = 2,766,567,512.70
  5. Step 5: Solve for x
    x = 2,766,567,512.70/81,725.56
  6. Step 6: Final answer
    x = 33,851.92

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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.