Home / 57,391.13-86,112.65-29,296.69

Finding the Fourth Proportional to 57,391.13, 86,112.65 and 29,296.69

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Solution

The fourth proportional to 57,391.13, 86,112.65 and 29,296.69 is: 43,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.13 : 86,112.65 = 29,296.69 : x
  2. Step 2: Convert to fraction form
    57,391.13/86,112.65 = 29,296.69/x
  3. Step 3: Cross multiply
    57,391.13x = 86,112.65 × 29,296.69
  4. Step 4: Simplify right side
    57,391.13x = 2,522,815,470.09
  5. Step 5: Solve for x
    x = 2,522,815,470.09/57,391.13
  6. Step 6: Final answer
    x = 43,958.28

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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.