Home / 49,139.12-67,792.74-30,243.44

Finding the Fourth Proportional to 49,139.12, 67,792.74 and 30,243.44

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Solution

The fourth proportional to 49,139.12, 67,792.74 and 30,243.44 is: 41,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,139.12 : 67,792.74 = 30,243.44 : x
  2. Step 2: Convert to fraction form
    49,139.12/67,792.74 = 30,243.44/x
  3. Step 3: Cross multiply
    49,139.12x = 67,792.74 × 30,243.44
  4. Step 4: Simplify right side
    49,139.12x = 2,050,285,664.63
  5. Step 5: Solve for x
    x = 2,050,285,664.63/49,139.12
  6. Step 6: Final answer
    x = 41,724.10

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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.