Home / 115,815.73-173,753.55-67,824.86

Finding the Fourth Proportional to 115,815.73, 173,753.55 and 67,824.86

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Solution

The fourth proportional to 115,815.73, 173,753.55 and 67,824.86 is: 101,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,815.73 : 173,753.55 = 67,824.86 : x
  2. Step 2: Convert to fraction form
    115,815.73/173,753.55 = 67,824.86/x
  3. Step 3: Cross multiply
    115,815.73x = 173,753.55 × 67,824.86
  4. Step 4: Simplify right side
    115,815.73x = 11,784,810,203.25
  5. Step 5: Solve for x
    x = 11,784,810,203.25/115,815.73
  6. Step 6: Final answer
    x = 101,754.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.