Home / 68,906.06-95,091.36-38,697.92

Finding the Fourth Proportional to 68,906.06, 95,091.36 and 38,697.92

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Solution

The fourth proportional to 68,906.06, 95,091.36 and 38,697.92 is: 53,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,906.06 : 95,091.36 = 38,697.92 : x
  2. Step 2: Convert to fraction form
    68,906.06/95,091.36 = 38,697.92/x
  3. Step 3: Cross multiply
    68,906.06x = 95,091.36 × 38,697.92
  4. Step 4: Simplify right side
    68,906.06x = 3,679,837,841.97
  5. Step 5: Solve for x
    x = 3,679,837,841.97/68,906.06
  6. Step 6: Final answer
    x = 53,403.69

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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.