Home / 76,548.97-114,787-29,166.40

Finding the Fourth Proportional to 76,548.97, 114,787 and 29,166.40

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Solution

The fourth proportional to 76,548.97, 114,787 and 29,166.40 is: 43,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,548.97 : 114,787 = 29,166.40 : x
  2. Step 2: Convert to fraction form
    76,548.97/114,787 = 29,166.40/x
  3. Step 3: Cross multiply
    76,548.97x = 114,787 × 29,166.40
  4. Step 4: Simplify right side
    76,548.97x = 3,347,923,556.80
  5. Step 5: Solve for x
    x = 3,347,923,556.80/76,548.97
  6. Step 6: Final answer
    x = 43,735.71

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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.