Home / 68,514.12-102,767.07-18,593.11

Finding the Fourth Proportional to 68,514.12, 102,767.07 and 18,593.11

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Solution

The fourth proportional to 68,514.12, 102,767.07 and 18,593.11 is: 27,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,514.12 : 102,767.07 = 18,593.11 : x
  2. Step 2: Convert to fraction form
    68,514.12/102,767.07 = 18,593.11/x
  3. Step 3: Cross multiply
    68,514.12x = 102,767.07 × 18,593.11
  4. Step 4: Simplify right side
    68,514.12x = 1,910,759,188.45
  5. Step 5: Solve for x
    x = 1,910,759,188.45/68,514.12
  6. Step 6: Final answer
    x = 27,888.55

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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.