Home / 68,168.16-102,273.28-34,911.60

Finding the Fourth Proportional to 68,168.16, 102,273.28 and 34,911.60

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Solution

The fourth proportional to 68,168.16, 102,273.28 and 34,911.60 is: 52,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,168.16 : 102,273.28 = 34,911.60 : x
  2. Step 2: Convert to fraction form
    68,168.16/102,273.28 = 34,911.60/x
  3. Step 3: Cross multiply
    68,168.16x = 102,273.28 × 34,911.60
  4. Step 4: Simplify right side
    68,168.16x = 3,570,523,842.05
  5. Step 5: Solve for x
    x = 3,570,523,842.05/68,168.16
  6. Step 6: Final answer
    x = 52,378.18

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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.