Home / 68,167.78-94,065.30-50,272.65

Finding the Fourth Proportional to 68,167.78, 94,065.30 and 50,272.65

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Solution

The fourth proportional to 68,167.78, 94,065.30 and 50,272.65 is: 69,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.78 : 94,065.30 = 50,272.65 : x
  2. Step 2: Convert to fraction form
    68,167.78/94,065.30 = 50,272.65/x
  3. Step 3: Cross multiply
    68,167.78x = 94,065.30 × 50,272.65
  4. Step 4: Simplify right side
    68,167.78x = 4,728,911,904.05
  5. Step 5: Solve for x
    x = 4,728,911,904.05/68,167.78
  6. Step 6: Final answer
    x = 69,371.66

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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.