Home / 106,067.60-146,370.48-57,668

Finding the Fourth Proportional to 106,067.60, 146,370.48 and 57,668

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Solution

The fourth proportional to 106,067.60, 146,370.48 and 57,668 is: 79,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,067.60 : 146,370.48 = 57,668 : x
  2. Step 2: Convert to fraction form
    106,067.60/146,370.48 = 57,668/x
  3. Step 3: Cross multiply
    106,067.60x = 146,370.48 × 57,668
  4. Step 4: Simplify right side
    106,067.60x = 8,440,892,840.64
  5. Step 5: Solve for x
    x = 8,440,892,840.64/106,067.60
  6. Step 6: Final answer
    x = 79,580.31

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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.