Home / 88,181.91-121,608.13-68,006.83

Finding the Fourth Proportional to 88,181.91, 121,608.13 and 68,006.83

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Solution

The fourth proportional to 88,181.91, 121,608.13 and 68,006.83 is: 93,785.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,181.91 : 121,608.13 = 68,006.83 : x
  2. Step 2: Convert to fraction form
    88,181.91/121,608.13 = 68,006.83/x
  3. Step 3: Cross multiply
    88,181.91x = 121,608.13 × 68,006.83
  4. Step 4: Simplify right side
    88,181.91x = 8,270,183,423.53
  5. Step 5: Solve for x
    x = 8,270,183,423.53/88,181.91
  6. Step 6: Final answer
    x = 93,785.49

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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.