Home / 90,112.73-124,350.55-49,824.07

Finding the Fourth Proportional to 90,112.73, 124,350.55 and 49,824.07

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Solution

The fourth proportional to 90,112.73, 124,350.55 and 49,824.07 is: 68,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,112.73 : 124,350.55 = 49,824.07 : x
  2. Step 2: Convert to fraction form
    90,112.73/124,350.55 = 49,824.07/x
  3. Step 3: Cross multiply
    90,112.73x = 124,350.55 × 49,824.07
  4. Step 4: Simplify right side
    90,112.73x = 6,195,650,072.30
  5. Step 5: Solve for x
    x = 6,195,650,072.30/90,112.73
  6. Step 6: Final answer
    x = 68,754.44

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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.