Home / 62,920.21-86,831.96-36,067.80

Finding the Fourth Proportional to 62,920.21, 86,831.96 and 36,067.80

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Solution

The fourth proportional to 62,920.21, 86,831.96 and 36,067.80 is: 49,774.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.21 : 86,831.96 = 36,067.80 : x
  2. Step 2: Convert to fraction form
    62,920.21/86,831.96 = 36,067.80/x
  3. Step 3: Cross multiply
    62,920.21x = 86,831.96 × 36,067.80
  4. Step 4: Simplify right side
    62,920.21x = 3,131,837,586.55
  5. Step 5: Solve for x
    x = 3,131,837,586.55/62,920.21
  6. Step 6: Final answer
    x = 49,774.75

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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.