Home / 90,766.38-125,255.42-49,372.32

Finding the Fourth Proportional to 90,766.38, 125,255.42 and 49,372.32

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Solution

The fourth proportional to 90,766.38, 125,255.42 and 49,372.32 is: 68,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,766.38 : 125,255.42 = 49,372.32 : x
  2. Step 2: Convert to fraction form
    90,766.38/125,255.42 = 49,372.32/x
  3. Step 3: Cross multiply
    90,766.38x = 125,255.42 × 49,372.32
  4. Step 4: Simplify right side
    90,766.38x = 6,184,150,677.97
  5. Step 5: Solve for x
    x = 6,184,150,677.97/90,766.38
  6. Step 6: Final answer
    x = 68,132.61

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1.5x scale

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.