Home / 106,439.58-146,881.62-61,086.06

Finding the Fourth Proportional to 106,439.58, 146,881.62 and 61,086.06

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Solution

The fourth proportional to 106,439.58, 146,881.62 and 61,086.06 is: 84,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.58 : 146,881.62 = 61,086.06 : x
  2. Step 2: Convert to fraction form
    106,439.58/146,881.62 = 61,086.06/x
  3. Step 3: Cross multiply
    106,439.58x = 146,881.62 × 61,086.06
  4. Step 4: Simplify right side
    106,439.58x = 8,972,419,452.22
  5. Step 5: Solve for x
    x = 8,972,419,452.22/106,439.58
  6. Step 6: Final answer
    x = 84,295.89

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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.