Home / 96,121.68-132,635.52-55,283.64

Finding the Fourth Proportional to 96,121.68, 132,635.52 and 55,283.64

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Solution

The fourth proportional to 96,121.68, 132,635.52 and 55,283.64 is: 76,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,121.68 : 132,635.52 = 55,283.64 : x
  2. Step 2: Convert to fraction form
    96,121.68/132,635.52 = 55,283.64/x
  3. Step 3: Cross multiply
    96,121.68x = 132,635.52 × 55,283.64
  4. Step 4: Simplify right side
    96,121.68x = 7,332,574,338.89
  5. Step 5: Solve for x
    x = 7,332,574,338.89/96,121.68
  6. Step 6: Final answer
    x = 76,284.29

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1.5x scale

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.