Home / 47,782.47-71,951.49-35,390.43

Finding the Fourth Proportional to 47,782.47, 71,951.49 and 35,390.43

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Solution

The fourth proportional to 47,782.47, 71,951.49 and 35,390.43 is: 53,291.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.47 : 71,951.49 = 35,390.43 : x
  2. Step 2: Convert to fraction form
    47,782.47/71,951.49 = 35,390.43/x
  3. Step 3: Cross multiply
    47,782.47x = 71,951.49 × 35,390.43
  4. Step 4: Simplify right side
    47,782.47x = 2,546,394,170.24
  5. Step 5: Solve for x
    x = 2,546,394,170.24/47,782.47
  6. Step 6: Final answer
    x = 53,291.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.