Home / 68,679.06-94,775.99-38,464.14

Finding the Fourth Proportional to 68,679.06, 94,775.99 and 38,464.14

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Solution

The fourth proportional to 68,679.06, 94,775.99 and 38,464.14 is: 53,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,679.06 : 94,775.99 = 38,464.14 : x
  2. Step 2: Convert to fraction form
    68,679.06/94,775.99 = 38,464.14/x
  3. Step 3: Cross multiply
    68,679.06x = 94,775.99 × 38,464.14
  4. Step 4: Simplify right side
    68,679.06x = 3,645,476,400.27
  5. Step 5: Solve for x
    x = 3,645,476,400.27/68,679.06
  6. Step 6: Final answer
    x = 53,079.88

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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.