Home / 83,650.16-115,446.40-47,843.52

Finding the Fourth Proportional to 83,650.16, 115,446.40 and 47,843.52

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Solution

The fourth proportional to 83,650.16, 115,446.40 and 47,843.52 is: 66,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650.16 : 115,446.40 = 47,843.52 : x
  2. Step 2: Convert to fraction form
    83,650.16/115,446.40 = 47,843.52/x
  3. Step 3: Cross multiply
    83,650.16x = 115,446.40 × 47,843.52
  4. Step 4: Simplify right side
    83,650.16x = 5,523,362,147.33
  5. Step 5: Solve for x
    x = 5,523,362,147.33/83,650.16
  6. Step 6: Final answer
    x = 66,029.31

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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.