Home / 68,786.08-94,929.66-38,169.19

Finding the Fourth Proportional to 68,786.08, 94,929.66 and 38,169.19

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Solution

The fourth proportional to 68,786.08, 94,929.66 and 38,169.19 is: 52,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.08 : 94,929.66 = 38,169.19 : x
  2. Step 2: Convert to fraction form
    68,786.08/94,929.66 = 38,169.19/x
  3. Step 3: Cross multiply
    68,786.08x = 94,929.66 × 38,169.19
  4. Step 4: Simplify right side
    68,786.08x = 3,623,388,229.18
  5. Step 5: Solve for x
    x = 3,623,388,229.18/68,786.08
  6. Step 6: Final answer
    x = 52,676.18

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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.