Home / 83,175.26-114,749.31-51,288.80

Finding the Fourth Proportional to 83,175.26, 114,749.31 and 51,288.80

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Solution

The fourth proportional to 83,175.26, 114,749.31 and 51,288.80 is: 70,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175.26 : 114,749.31 = 51,288.80 : x
  2. Step 2: Convert to fraction form
    83,175.26/114,749.31 = 51,288.80/x
  3. Step 3: Cross multiply
    83,175.26x = 114,749.31 × 51,288.80
  4. Step 4: Simplify right side
    83,175.26x = 5,885,354,410.73
  5. Step 5: Solve for x
    x = 5,885,354,410.73/83,175.26
  6. Step 6: Final answer
    x = 70,758.47

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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.