Home / 68,168.52-102,181.70-40,065.57

Finding the Fourth Proportional to 68,168.52, 102,181.70 and 40,065.57

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Solution

The fourth proportional to 68,168.52, 102,181.70 and 40,065.57 is: 60,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,168.52 : 102,181.70 = 40,065.57 : x
  2. Step 2: Convert to fraction form
    68,168.52/102,181.70 = 40,065.57/x
  3. Step 3: Cross multiply
    68,168.52x = 102,181.70 × 40,065.57
  4. Step 4: Simplify right side
    68,168.52x = 4,093,968,154.23
  5. Step 5: Solve for x
    x = 4,093,968,154.23/68,168.52
  6. Step 6: Final answer
    x = 60,056.58

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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.