Home / 78,370.60-117,560.34-25,067.26

Finding the Fourth Proportional to 78,370.60, 117,560.34 and 25,067.26

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Solution

The fourth proportional to 78,370.60, 117,560.34 and 25,067.26 is: 37,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,370.60 : 117,560.34 = 25,067.26 : x
  2. Step 2: Convert to fraction form
    78,370.60/117,560.34 = 25,067.26/x
  3. Step 3: Cross multiply
    78,370.60x = 117,560.34 × 25,067.26
  4. Step 4: Simplify right side
    78,370.60x = 2,946,915,608.47
  5. Step 5: Solve for x
    x = 2,946,915,608.47/78,370.60
  6. Step 6: Final answer
    x = 37,602.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.