Home / 95,775.12-132,171.08-55,491.80

Finding the Fourth Proportional to 95,775.12, 132,171.08 and 55,491.80

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Solution

The fourth proportional to 95,775.12, 132,171.08 and 55,491.80 is: 76,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,775.12 : 132,171.08 = 55,491.80 : x
  2. Step 2: Convert to fraction form
    95,775.12/132,171.08 = 55,491.80/x
  3. Step 3: Cross multiply
    95,775.12x = 132,171.08 × 55,491.80
  4. Step 4: Simplify right side
    95,775.12x = 7,334,410,198.83
  5. Step 5: Solve for x
    x = 7,334,410,198.83/95,775.12
  6. Step 6: Final answer
    x = 76,579.49

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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.