Home / 63,719.75-87,923.60-36,491.60

Finding the Fourth Proportional to 63,719.75, 87,923.60 and 36,491.60

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Solution

The fourth proportional to 63,719.75, 87,923.60 and 36,491.60 is: 50,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,719.75 : 87,923.60 = 36,491.60 : x
  2. Step 2: Convert to fraction form
    63,719.75/87,923.60 = 36,491.60/x
  3. Step 3: Cross multiply
    63,719.75x = 87,923.60 × 36,491.60
  4. Step 4: Simplify right side
    63,719.75x = 3,208,472,493.37
  5. Step 5: Solve for x
    x = 3,208,472,493.37/63,719.75
  6. Step 6: Final answer
    x = 50,352.88

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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.