Home / 73,504.60-109,997.70-51,213.40

Finding the Fourth Proportional to 73,504.60, 109,997.70 and 51,213.40

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Solution

The fourth proportional to 73,504.60, 109,997.70 and 51,213.40 is: 76,639.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,504.60 : 109,997.70 = 51,213.40 : x
  2. Step 2: Convert to fraction form
    73,504.60/109,997.70 = 51,213.40/x
  3. Step 3: Cross multiply
    73,504.60x = 109,997.70 × 51,213.40
  4. Step 4: Simplify right side
    73,504.60x = 5,633,356,209.18
  5. Step 5: Solve for x
    x = 5,633,356,209.18/73,504.60
  6. Step 6: Final answer
    x = 76,639.51

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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.