Home / 92,378.09-127,481.69-49,936.62

Finding the Fourth Proportional to 92,378.09, 127,481.69 and 49,936.62

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Solution

The fourth proportional to 92,378.09, 127,481.69 and 49,936.62 is: 68,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,378.09 : 127,481.69 = 49,936.62 : x
  2. Step 2: Convert to fraction form
    92,378.09/127,481.69 = 49,936.62/x
  3. Step 3: Cross multiply
    92,378.09x = 127,481.69 × 49,936.62
  4. Step 4: Simplify right side
    92,378.09x = 6,366,004,460.80
  5. Step 5: Solve for x
    x = 6,366,004,460.80/92,378.09
  6. Step 6: Final answer
    x = 68,912.50

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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.