Home / 68,218.62-102,347.37-49,517.34

Finding the Fourth Proportional to 68,218.62, 102,347.37 and 49,517.34

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Solution

The fourth proportional to 68,218.62, 102,347.37 and 49,517.34 is: 74,290.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,218.62 : 102,347.37 = 49,517.34 : x
  2. Step 2: Convert to fraction form
    68,218.62/102,347.37 = 49,517.34/x
  3. Step 3: Cross multiply
    68,218.62x = 102,347.37 × 49,517.34
  4. Step 4: Simplify right side
    68,218.62x = 5,067,969,518.40
  5. Step 5: Solve for x
    x = 5,067,969,518.40/68,218.62
  6. Step 6: Final answer
    x = 74,290.12

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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.