Home / 63,727.94-87,963.05-39,536.28

Finding the Fourth Proportional to 63,727.94, 87,963.05 and 39,536.28

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Solution

The fourth proportional to 63,727.94, 87,963.05 and 39,536.28 is: 54,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,727.94 : 87,963.05 = 39,536.28 : x
  2. Step 2: Convert to fraction form
    63,727.94/87,963.05 = 39,536.28/x
  3. Step 3: Cross multiply
    63,727.94x = 87,963.05 × 39,536.28
  4. Step 4: Simplify right side
    63,727.94x = 3,477,731,650.90
  5. Step 5: Solve for x
    x = 3,477,731,650.90/63,727.94
  6. Step 6: Final answer
    x = 54,571.54

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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.