Home / 68,660.20-102,860.70-35,266.60

Finding the Fourth Proportional to 68,660.20, 102,860.70 and 35,266.60

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Solution

The fourth proportional to 68,660.20, 102,860.70 and 35,266.60 is: 52,833.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,660.20 : 102,860.70 = 35,266.60 : x
  2. Step 2: Convert to fraction form
    68,660.20/102,860.70 = 35,266.60/x
  3. Step 3: Cross multiply
    68,660.20x = 102,860.70 × 35,266.60
  4. Step 4: Simplify right side
    68,660.20x = 3,627,547,162.62
  5. Step 5: Solve for x
    x = 3,627,547,162.62/68,660.20
  6. Step 6: Final answer
    x = 52,833.33

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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.