Home / 67,150.11-100,736.64-27,685.65

Finding the Fourth Proportional to 67,150.11, 100,736.64 and 27,685.65

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Solution

The fourth proportional to 67,150.11, 100,736.64 and 27,685.65 is: 41,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,150.11 : 100,736.64 = 27,685.65 : x
  2. Step 2: Convert to fraction form
    67,150.11/100,736.64 = 27,685.65/x
  3. Step 3: Cross multiply
    67,150.11x = 100,736.64 × 27,685.65
  4. Step 4: Simplify right side
    67,150.11x = 2,788,959,357.22
  5. Step 5: Solve for x
    x = 2,788,959,357.22/67,150.11
  6. Step 6: Final answer
    x = 41,533.21

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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.