Home / 55,287.87-82,934.64-15,845.33

Finding the Fourth Proportional to 55,287.87, 82,934.64 and 15,845.33

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Solution

The fourth proportional to 55,287.87, 82,934.64 and 15,845.33 is: 23,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.87 : 82,934.64 = 15,845.33 : x
  2. Step 2: Convert to fraction form
    55,287.87/82,934.64 = 15,845.33/x
  3. Step 3: Cross multiply
    55,287.87x = 82,934.64 × 15,845.33
  4. Step 4: Simplify right side
    55,287.87x = 1,314,126,324.56
  5. Step 5: Solve for x
    x = 1,314,126,324.56/55,287.87
  6. Step 6: Final answer
    x = 23,768.80

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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.