Home / 49,743.40-74,528.70-40,930.60

Finding the Fourth Proportional to 49,743.40, 74,528.70 and 40,930.60

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Solution

The fourth proportional to 49,743.40, 74,528.70 and 40,930.60 is: 61,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,743.40 : 74,528.70 = 40,930.60 : x
  2. Step 2: Convert to fraction form
    49,743.40/74,528.70 = 40,930.60/x
  3. Step 3: Cross multiply
    49,743.40x = 74,528.70 × 40,930.60
  4. Step 4: Simplify right side
    49,743.40x = 3,050,504,408.22
  5. Step 5: Solve for x
    x = 3,050,504,408.22/49,743.40
  6. Step 6: Final answer
    x = 61,324.81

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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.