Home / 67,724.76-101,616.36-45,621.48

Finding the Fourth Proportional to 67,724.76, 101,616.36 and 45,621.48

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Solution

The fourth proportional to 67,724.76, 101,616.36 and 45,621.48 is: 68,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724.76 : 101,616.36 = 45,621.48 : x
  2. Step 2: Convert to fraction form
    67,724.76/101,616.36 = 45,621.48/x
  3. Step 3: Cross multiply
    67,724.76x = 101,616.36 × 45,621.48
  4. Step 4: Simplify right side
    67,724.76x = 4,635,888,735.41
  5. Step 5: Solve for x
    x = 4,635,888,735.41/67,724.76
  6. Step 6: Final answer
    x = 68,451.90

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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.