Home / 52,972.72-73,149.21-36,039.87

Finding the Fourth Proportional to 52,972.72, 73,149.21 and 36,039.87

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Solution

The fourth proportional to 52,972.72, 73,149.21 and 36,039.87 is: 49,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,972.72 : 73,149.21 = 36,039.87 : x
  2. Step 2: Convert to fraction form
    52,972.72/73,149.21 = 36,039.87/x
  3. Step 3: Cross multiply
    52,972.72x = 73,149.21 × 36,039.87
  4. Step 4: Simplify right side
    52,972.72x = 2,636,288,019.00
  5. Step 5: Solve for x
    x = 2,636,288,019.00/52,972.72
  6. Step 6: Final answer
    x = 49,766.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.