Home / 88,255.62-121,793.99-47,969.37

Finding the Fourth Proportional to 88,255.62, 121,793.99 and 47,969.37

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Solution

The fourth proportional to 88,255.62, 121,793.99 and 47,969.37 is: 66,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.62 : 121,793.99 = 47,969.37 : x
  2. Step 2: Convert to fraction form
    88,255.62/121,793.99 = 47,969.37/x
  3. Step 3: Cross multiply
    88,255.62x = 121,793.99 × 47,969.37
  4. Step 4: Simplify right side
    88,255.62x = 5,842,380,970.09
  5. Step 5: Solve for x
    x = 5,842,380,970.09/88,255.62
  6. Step 6: Final answer
    x = 66,198.40

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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.