Home / 68,106.16-102,188.62-25,998.88

Finding the Fourth Proportional to 68,106.16, 102,188.62 and 25,998.88

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Solution

The fourth proportional to 68,106.16, 102,188.62 and 25,998.88 is: 39,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,106.16 : 102,188.62 = 25,998.88 : x
  2. Step 2: Convert to fraction form
    68,106.16/102,188.62 = 25,998.88/x
  3. Step 3: Cross multiply
    68,106.16x = 102,188.62 × 25,998.88
  4. Step 4: Simplify right side
    68,106.16x = 2,656,789,668.75
  5. Step 5: Solve for x
    x = 2,656,789,668.75/68,106.16
  6. Step 6: Final answer
    x = 39,009.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.