Home / 68,658.08-103,053.61-33,144.33

Finding the Fourth Proportional to 68,658.08, 103,053.61 and 33,144.33

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Solution

The fourth proportional to 68,658.08, 103,053.61 and 33,144.33 is: 49,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,658.08 : 103,053.61 = 33,144.33 : x
  2. Step 2: Convert to fraction form
    68,658.08/103,053.61 = 33,144.33/x
  3. Step 3: Cross multiply
    68,658.08x = 103,053.61 × 33,144.33
  4. Step 4: Simplify right side
    68,658.08x = 3,415,642,857.53
  5. Step 5: Solve for x
    x = 3,415,642,857.53/68,658.08
  6. Step 6: Final answer
    x = 49,748.59

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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.