Home / 68,049.28-102,068.34-43,016.32

Finding the Fourth Proportional to 68,049.28, 102,068.34 and 43,016.32

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Solution

The fourth proportional to 68,049.28, 102,068.34 and 43,016.32 is: 64,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,049.28 : 102,068.34 = 43,016.32 : x
  2. Step 2: Convert to fraction form
    68,049.28/102,068.34 = 43,016.32/x
  3. Step 3: Cross multiply
    68,049.28x = 102,068.34 × 43,016.32
  4. Step 4: Simplify right side
    68,049.28x = 4,390,604,375.31
  5. Step 5: Solve for x
    x = 4,390,604,375.31/68,049.28
  6. Step 6: Final answer
    x = 64,520.95

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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.