Home / 47,697.75-65,828.97-28,834.88

Finding the Fourth Proportional to 47,697.75, 65,828.97 and 28,834.88

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Solution

The fourth proportional to 47,697.75, 65,828.97 and 28,834.88 is: 39,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,697.75 : 65,828.97 = 28,834.88 : x
  2. Step 2: Convert to fraction form
    47,697.75/65,828.97 = 28,834.88/x
  3. Step 3: Cross multiply
    47,697.75x = 65,828.97 × 28,834.88
  4. Step 4: Simplify right side
    47,697.75x = 1,898,170,121.33
  5. Step 5: Solve for x
    x = 1,898,170,121.33/47,697.75
  6. Step 6: Final answer
    x = 39,795.80

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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.