Home / 63,134.94-87,121.26-37,639.38

Finding the Fourth Proportional to 63,134.94, 87,121.26 and 37,639.38

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Solution

The fourth proportional to 63,134.94, 87,121.26 and 37,639.38 is: 51,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,134.94 : 87,121.26 = 37,639.38 : x
  2. Step 2: Convert to fraction form
    63,134.94/87,121.26 = 37,639.38/x
  3. Step 3: Cross multiply
    63,134.94x = 87,121.26 × 37,639.38
  4. Step 4: Simplify right side
    63,134.94x = 3,279,190,211.22
  5. Step 5: Solve for x
    x = 3,279,190,211.22/63,134.94
  6. Step 6: Final answer
    x = 51,939.39

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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.