Home / 66,725.74-100,084.29-25,171.66

Finding the Fourth Proportional to 66,725.74, 100,084.29 and 25,171.66

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Solution

The fourth proportional to 66,725.74, 100,084.29 and 25,171.66 is: 37,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725.74 : 100,084.29 = 25,171.66 : x
  2. Step 2: Convert to fraction form
    66,725.74/100,084.29 = 25,171.66/x
  3. Step 3: Cross multiply
    66,725.74x = 100,084.29 × 25,171.66
  4. Step 4: Simplify right side
    66,725.74x = 2,519,287,719.22
  5. Step 5: Solve for x
    x = 2,519,287,719.22/66,725.74
  6. Step 6: Final answer
    x = 37,755.86

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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.