Home / 67,176.16-100,731.12-22,786.72

Finding the Fourth Proportional to 67,176.16, 100,731.12 and 22,786.72

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Solution

The fourth proportional to 67,176.16, 100,731.12 and 22,786.72 is: 34,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,176.16 : 100,731.12 = 22,786.72 : x
  2. Step 2: Convert to fraction form
    67,176.16/100,731.12 = 22,786.72/x
  3. Step 3: Cross multiply
    67,176.16x = 100,731.12 × 22,786.72
  4. Step 4: Simplify right side
    67,176.16x = 2,295,331,826.73
  5. Step 5: Solve for x
    x = 2,295,331,826.73/67,176.16
  6. Step 6: Final answer
    x = 34,168.85

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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.