Home / 106,333.78-146,761.80-61,042.36

Finding the Fourth Proportional to 106,333.78, 146,761.80 and 61,042.36

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Solution

The fourth proportional to 106,333.78, 146,761.80 and 61,042.36 is: 84,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333.78 : 146,761.80 = 61,042.36 : x
  2. Step 2: Convert to fraction form
    106,333.78/146,761.80 = 61,042.36/x
  3. Step 3: Cross multiply
    106,333.78x = 146,761.80 × 61,042.36
  4. Step 4: Simplify right side
    106,333.78x = 8,958,686,629.85
  5. Step 5: Solve for x
    x = 8,958,686,629.85/106,333.78
  6. Step 6: Final answer
    x = 84,250.62

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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.