Home / 49,619.70-74,263.20-40,734.54

Finding the Fourth Proportional to 49,619.70, 74,263.20 and 40,734.54

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Solution

The fourth proportional to 49,619.70, 74,263.20 and 40,734.54 is: 60,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.70 : 74,263.20 = 40,734.54 : x
  2. Step 2: Convert to fraction form
    49,619.70/74,263.20 = 40,734.54/x
  3. Step 3: Cross multiply
    49,619.70x = 74,263.20 × 40,734.54
  4. Step 4: Simplify right side
    49,619.70x = 3,025,077,290.93
  5. Step 5: Solve for x
    x = 3,025,077,290.93/49,619.70
  6. Step 6: Final answer
    x = 60,965.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.