Home / 76,754.48-115,147.25-32,381.33

Finding the Fourth Proportional to 76,754.48, 115,147.25 and 32,381.33

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Solution

The fourth proportional to 76,754.48, 115,147.25 and 32,381.33 is: 48,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,754.48 : 115,147.25 = 32,381.33 : x
  2. Step 2: Convert to fraction form
    76,754.48/115,147.25 = 32,381.33/x
  3. Step 3: Cross multiply
    76,754.48x = 115,147.25 × 32,381.33
  4. Step 4: Simplify right side
    76,754.48x = 3,728,620,938.94
  5. Step 5: Solve for x
    x = 3,728,620,938.94/76,754.48
  6. Step 6: Final answer
    x = 48,578.54

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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.