Home / 96,689.82-133,183.35-68,346.78

Finding the Fourth Proportional to 96,689.82, 133,183.35 and 68,346.78

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Solution

The fourth proportional to 96,689.82, 133,183.35 and 68,346.78 is: 94,142.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,689.82 : 133,183.35 = 68,346.78 : x
  2. Step 2: Convert to fraction form
    96,689.82/133,183.35 = 68,346.78/x
  3. Step 3: Cross multiply
    96,689.82x = 133,183.35 × 68,346.78
  4. Step 4: Simplify right side
    96,689.82x = 9,102,653,122.11
  5. Step 5: Solve for x
    x = 9,102,653,122.11/96,689.82
  6. Step 6: Final answer
    x = 94,142.83

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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.