Home / 73,214.20-109,942.76-45,687.16

Finding the Fourth Proportional to 73,214.20, 109,942.76 and 45,687.16

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Solution

The fourth proportional to 73,214.20, 109,942.76 and 45,687.16 is: 68,606.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,214.20 : 109,942.76 = 45,687.16 : x
  2. Step 2: Convert to fraction form
    73,214.20/109,942.76 = 45,687.16/x
  3. Step 3: Cross multiply
    73,214.20x = 109,942.76 × 45,687.16
  4. Step 4: Simplify right side
    73,214.20x = 5,022,972,466.96
  5. Step 5: Solve for x
    x = 5,022,972,466.96/73,214.20
  6. Step 6: Final answer
    x = 68,606.53

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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.