Home / 74,157.26-102,351.24-57,992.54

Finding the Fourth Proportional to 74,157.26, 102,351.24 and 57,992.54

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Solution

The fourth proportional to 74,157.26, 102,351.24 and 57,992.54 is: 80,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.26 : 102,351.24 = 57,992.54 : x
  2. Step 2: Convert to fraction form
    74,157.26/102,351.24 = 57,992.54/x
  3. Step 3: Cross multiply
    74,157.26x = 102,351.24 × 57,992.54
  4. Step 4: Simplify right side
    74,157.26x = 5,935,608,379.75
  5. Step 5: Solve for x
    x = 5,935,608,379.75/74,157.26
  6. Step 6: Final answer
    x = 80,040.83

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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.