Home / 85,236.54-117,626.94-49,447.86

Finding the Fourth Proportional to 85,236.54, 117,626.94 and 49,447.86

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Solution

The fourth proportional to 85,236.54, 117,626.94 and 49,447.86 is: 68,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.54 : 117,626.94 = 49,447.86 : x
  2. Step 2: Convert to fraction form
    85,236.54/117,626.94 = 49,447.86/x
  3. Step 3: Cross multiply
    85,236.54x = 117,626.94 × 49,447.86
  4. Step 4: Simplify right side
    85,236.54x = 5,816,400,461.35
  5. Step 5: Solve for x
    x = 5,816,400,461.35/85,236.54
  6. Step 6: Final answer
    x = 68,238.35

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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.