Home / 73,219.08-109,621.08-48,183.84

Finding the Fourth Proportional to 73,219.08, 109,621.08 and 48,183.84

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Solution

The fourth proportional to 73,219.08, 109,621.08 and 48,183.84 is: 72,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,219.08 : 109,621.08 = 48,183.84 : x
  2. Step 2: Convert to fraction form
    73,219.08/109,621.08 = 48,183.84/x
  3. Step 3: Cross multiply
    73,219.08x = 109,621.08 × 48,183.84
  4. Step 4: Simplify right side
    73,219.08x = 5,281,964,579.35
  5. Step 5: Solve for x
    x = 5,281,964,579.35/73,219.08
  6. Step 6: Final answer
    x = 72,139.18

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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.