Home / 51,229.75-70,697.61-28,873.75

Finding the Fourth Proportional to 51,229.75, 70,697.61 and 28,873.75

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Solution

The fourth proportional to 51,229.75, 70,697.61 and 28,873.75 is: 39,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,229.75 : 70,697.61 = 28,873.75 : x
  2. Step 2: Convert to fraction form
    51,229.75/70,697.61 = 28,873.75/x
  3. Step 3: Cross multiply
    51,229.75x = 70,697.61 × 28,873.75
  4. Step 4: Simplify right side
    51,229.75x = 2,041,305,116.74
  5. Step 5: Solve for x
    x = 2,041,305,116.74/51,229.75
  6. Step 6: Final answer
    x = 39,846.09

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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.