Home / 68,847.38-95,010.81-38,634.89

Finding the Fourth Proportional to 68,847.38, 95,010.81 and 38,634.89

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Solution

The fourth proportional to 68,847.38, 95,010.81 and 38,634.89 is: 53,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,847.38 : 95,010.81 = 38,634.89 : x
  2. Step 2: Convert to fraction form
    68,847.38/95,010.81 = 38,634.89/x
  3. Step 3: Cross multiply
    68,847.38x = 95,010.81 × 38,634.89
  4. Step 4: Simplify right side
    68,847.38x = 3,670,732,193.16
  5. Step 5: Solve for x
    x = 3,670,732,193.16/68,847.38
  6. Step 6: Final answer
    x = 53,316.95

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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.