Home / 63,584.87-87,747.71-39,725.37

Finding the Fourth Proportional to 63,584.87, 87,747.71 and 39,725.37

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Solution

The fourth proportional to 63,584.87, 87,747.71 and 39,725.37 is: 54,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,584.87 : 87,747.71 = 39,725.37 : x
  2. Step 2: Convert to fraction form
    63,584.87/87,747.71 = 39,725.37/x
  3. Step 3: Cross multiply
    63,584.87x = 87,747.71 × 39,725.37
  4. Step 4: Simplify right side
    63,584.87x = 3,485,810,047.78
  5. Step 5: Solve for x
    x = 3,485,810,047.78/63,584.87
  6. Step 6: Final answer
    x = 54,821.38

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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.