Home / 68,575.25-102,795.39-40,076.03

Finding the Fourth Proportional to 68,575.25, 102,795.39 and 40,076.03

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Solution

The fourth proportional to 68,575.25, 102,795.39 and 40,076.03 is: 60,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.25 : 102,795.39 = 40,076.03 : x
  2. Step 2: Convert to fraction form
    68,575.25/102,795.39 = 40,076.03/x
  3. Step 3: Cross multiply
    68,575.25x = 102,795.39 × 40,076.03
  4. Step 4: Simplify right side
    68,575.25x = 4,119,631,133.50
  5. Step 5: Solve for x
    x = 4,119,631,133.50/68,575.25
  6. Step 6: Final answer
    x = 60,074.61

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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.