Home / 76,625.11-114,947.70-25,316.73

Finding the Fourth Proportional to 76,625.11, 114,947.70 and 25,316.73

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Solution

The fourth proportional to 76,625.11, 114,947.70 and 25,316.73 is: 37,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,625.11 : 114,947.70 = 25,316.73 : x
  2. Step 2: Convert to fraction form
    76,625.11/114,947.70 = 25,316.73/x
  3. Step 3: Cross multiply
    76,625.11x = 114,947.70 × 25,316.73
  4. Step 4: Simplify right side
    76,625.11x = 2,910,099,310.28
  5. Step 5: Solve for x
    x = 2,910,099,310.28/76,625.11
  6. Step 6: Final answer
    x = 37,978.41

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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.