Home / 89,695.34-123,793.17-68,149.74

Finding the Fourth Proportional to 89,695.34, 123,793.17 and 68,149.74

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Solution

The fourth proportional to 89,695.34, 123,793.17 and 68,149.74 is: 94,056.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,695.34 : 123,793.17 = 68,149.74 : x
  2. Step 2: Convert to fraction form
    89,695.34/123,793.17 = 68,149.74/x
  3. Step 3: Cross multiply
    89,695.34x = 123,793.17 × 68,149.74
  4. Step 4: Simplify right side
    89,695.34x = 8,436,472,349.28
  5. Step 5: Solve for x
    x = 8,436,472,349.28/89,695.34
  6. Step 6: Final answer
    x = 94,056.97

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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.