Home / 83,483.29-115,218.75-51,662.44

Finding the Fourth Proportional to 83,483.29, 115,218.75 and 51,662.44

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Solution

The fourth proportional to 83,483.29, 115,218.75 and 51,662.44 is: 71,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,483.29 : 115,218.75 = 51,662.44 : x
  2. Step 2: Convert to fraction form
    83,483.29/115,218.75 = 51,662.44/x
  3. Step 3: Cross multiply
    83,483.29x = 115,218.75 × 51,662.44
  4. Step 4: Simplify right side
    83,483.29x = 5,952,481,758.75
  5. Step 5: Solve for x
    x = 5,952,481,758.75/83,483.29
  6. Step 6: Final answer
    x = 71,301.48

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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.