Home / 95,340.42-132,172.56-90,284.81

Finding the Fourth Proportional to 95,340.42, 132,172.56 and 90,284.81

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Solution

The fourth proportional to 95,340.42, 132,172.56 and 90,284.81 is: 125,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,340.42 : 132,172.56 = 90,284.81 : x
  2. Step 2: Convert to fraction form
    95,340.42/132,172.56 = 90,284.81/x
  3. Step 3: Cross multiply
    95,340.42x = 132,172.56 × 90,284.81
  4. Step 4: Simplify right side
    95,340.42x = 11,933,173,805.95
  5. Step 5: Solve for x
    x = 11,933,173,805.95/95,340.42
  6. Step 6: Final answer
    x = 125,163.85

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.