Home / 106,368.44-146,813.46-66,112.61

Finding the Fourth Proportional to 106,368.44, 146,813.46 and 66,112.61

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Solution

The fourth proportional to 106,368.44, 146,813.46 and 66,112.61 is: 91,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,368.44 : 146,813.46 = 66,112.61 : x
  2. Step 2: Convert to fraction form
    106,368.44/146,813.46 = 66,112.61/x
  3. Step 3: Cross multiply
    106,368.44x = 146,813.46 × 66,112.61
  4. Step 4: Simplify right side
    106,368.44x = 9,706,220,413.62
  5. Step 5: Solve for x
    x = 9,706,220,413.62/106,368.44
  6. Step 6: Final answer
    x = 91,250.94

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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.