Home / 68,175.13-102,255.54-18,260.38

Finding the Fourth Proportional to 68,175.13, 102,255.54 and 18,260.38

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Solution

The fourth proportional to 68,175.13, 102,255.54 and 18,260.38 is: 27,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,175.13 : 102,255.54 = 18,260.38 : x
  2. Step 2: Convert to fraction form
    68,175.13/102,255.54 = 18,260.38/x
  3. Step 3: Cross multiply
    68,175.13x = 102,255.54 × 18,260.38
  4. Step 4: Simplify right side
    68,175.13x = 1,867,225,017.51
  5. Step 5: Solve for x
    x = 1,867,225,017.51/68,175.13
  6. Step 6: Final answer
    x = 27,388.65

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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.