Home / 88,789.20-122,414.76-63,324.60

Finding the Fourth Proportional to 88,789.20, 122,414.76 and 63,324.60

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Solution

The fourth proportional to 88,789.20, 122,414.76 and 63,324.60 is: 87,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,789.20 : 122,414.76 = 63,324.60 : x
  2. Step 2: Convert to fraction form
    88,789.20/122,414.76 = 63,324.60/x
  3. Step 3: Cross multiply
    88,789.20x = 122,414.76 × 63,324.60
  4. Step 4: Simplify right side
    88,789.20x = 7,751,865,711.10
  5. Step 5: Solve for x
    x = 7,751,865,711.10/88,789.20
  6. Step 6: Final answer
    x = 87,306.40

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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.