Home / 88,255.90-121,793.94-47,969.75

Finding the Fourth Proportional to 88,255.90, 121,793.94 and 47,969.75

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Solution

The fourth proportional to 88,255.90, 121,793.94 and 47,969.75 is: 66,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.90 : 121,793.94 = 47,969.75 : x
  2. Step 2: Convert to fraction form
    88,255.90/121,793.94 = 47,969.75/x
  3. Step 3: Cross multiply
    88,255.90x = 121,793.94 × 47,969.75
  4. Step 4: Simplify right side
    88,255.90x = 5,842,424,853.32
  5. Step 5: Solve for x
    x = 5,842,424,853.32/88,255.90
  6. Step 6: Final answer
    x = 66,198.69

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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.