Home / 51,788.36-71,512.77-49,131.16

Finding the Fourth Proportional to 51,788.36, 71,512.77 and 49,131.16

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Solution

The fourth proportional to 51,788.36, 71,512.77 and 49,131.16 is: 67,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,788.36 : 71,512.77 = 49,131.16 : x
  2. Step 2: Convert to fraction form
    51,788.36/71,512.77 = 49,131.16/x
  3. Step 3: Cross multiply
    51,788.36x = 71,512.77 × 49,131.16
  4. Step 4: Simplify right side
    51,788.36x = 3,513,505,350.37
  5. Step 5: Solve for x
    x = 3,513,505,350.37/51,788.36
  6. Step 6: Final answer
    x = 67,843.53

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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.