Home / 63,375.86-87,480.69-39,195.33

Finding the Fourth Proportional to 63,375.86, 87,480.69 and 39,195.33

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Solution

The fourth proportional to 63,375.86, 87,480.69 and 39,195.33 is: 54,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,375.86 : 87,480.69 = 39,195.33 : x
  2. Step 2: Convert to fraction form
    63,375.86/87,480.69 = 39,195.33/x
  3. Step 3: Cross multiply
    63,375.86x = 87,480.69 × 39,195.33
  4. Step 4: Simplify right side
    63,375.86x = 3,428,834,513.18
  5. Step 5: Solve for x
    x = 3,428,834,513.18/63,375.86
  6. Step 6: Final answer
    x = 54,103.17

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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.