Home / 73,864.20-110,720.70-36,366.60

Finding the Fourth Proportional to 73,864.20, 110,720.70 and 36,366.60

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Solution

The fourth proportional to 73,864.20, 110,720.70 and 36,366.60 is: 54,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.20 : 110,720.70 = 36,366.60 : x
  2. Step 2: Convert to fraction form
    73,864.20/110,720.70 = 36,366.60/x
  3. Step 3: Cross multiply
    73,864.20x = 110,720.70 × 36,366.60
  4. Step 4: Simplify right side
    73,864.20x = 4,026,535,408.62
  5. Step 5: Solve for x
    x = 4,026,535,408.62/73,864.20
  6. Step 6: Final answer
    x = 54,512.68

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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.