Home / 68,910.08-95,096.90-38,701.92

Finding the Fourth Proportional to 68,910.08, 95,096.90 and 38,701.92

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Solution

The fourth proportional to 68,910.08, 95,096.90 and 38,701.92 is: 53,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,910.08 : 95,096.90 = 38,701.92 : x
  2. Step 2: Convert to fraction form
    68,910.08/95,096.90 = 38,701.92/x
  3. Step 3: Cross multiply
    68,910.08x = 95,096.90 × 38,701.92
  4. Step 4: Simplify right side
    68,910.08x = 3,680,432,616.05
  5. Step 5: Solve for x
    x = 3,680,432,616.05/68,910.08
  6. Step 6: Final answer
    x = 53,409.21

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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.