Home / 62,918.82-86,831.54-36,065.78

Finding the Fourth Proportional to 62,918.82, 86,831.54 and 36,065.78

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Solution

The fourth proportional to 62,918.82, 86,831.54 and 36,065.78 is: 49,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,918.82 : 86,831.54 = 36,065.78 : x
  2. Step 2: Convert to fraction form
    62,918.82/86,831.54 = 36,065.78/x
  3. Step 3: Cross multiply
    62,918.82x = 86,831.54 × 36,065.78
  4. Step 4: Simplify right side
    62,918.82x = 3,131,647,218.70
  5. Step 5: Solve for x
    x = 3,131,647,218.70/62,918.82
  6. Step 6: Final answer
    x = 49,772.82

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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.