Home / 68,725.54-103,110.18-33,646.06

Finding the Fourth Proportional to 68,725.54, 103,110.18 and 33,646.06

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Solution

The fourth proportional to 68,725.54, 103,110.18 and 33,646.06 is: 50,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.54 : 103,110.18 = 33,646.06 : x
  2. Step 2: Convert to fraction form
    68,725.54/103,110.18 = 33,646.06/x
  3. Step 3: Cross multiply
    68,725.54x = 103,110.18 × 33,646.06
  4. Step 4: Simplify right side
    68,725.54x = 3,469,251,302.89
  5. Step 5: Solve for x
    x = 3,469,251,302.89/68,725.54
  6. Step 6: Final answer
    x = 50,479.80

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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.