Home / 102,372.26-141,273.86-57,049.25

Finding the Fourth Proportional to 102,372.26, 141,273.86 and 57,049.25

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Solution

The fourth proportional to 102,372.26, 141,273.86 and 57,049.25 is: 78,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,372.26 : 141,273.86 = 57,049.25 : x
  2. Step 2: Convert to fraction form
    102,372.26/141,273.86 = 57,049.25/x
  3. Step 3: Cross multiply
    102,372.26x = 141,273.86 × 57,049.25
  4. Step 4: Simplify right side
    102,372.26x = 8,059,567,472.36
  5. Step 5: Solve for x
    x = 8,059,567,472.36/102,372.26
  6. Step 6: Final answer
    x = 78,728.04

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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.