Home / 95,629.80-131,959.89-55,335.54

Finding the Fourth Proportional to 95,629.80, 131,959.89 and 55,335.54

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Solution

The fourth proportional to 95,629.80, 131,959.89 and 55,335.54 is: 76,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,629.80 : 131,959.89 = 55,335.54 : x
  2. Step 2: Convert to fraction form
    95,629.80/131,959.89 = 55,335.54/x
  3. Step 3: Cross multiply
    95,629.80x = 131,959.89 × 55,335.54
  4. Step 4: Simplify right side
    95,629.80x = 7,302,071,771.49
  5. Step 5: Solve for x
    x = 7,302,071,771.49/95,629.80
  6. Step 6: Final answer
    x = 76,357.70

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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.