Home / 49,466.79-74,139.24-28,137.39

Finding the Fourth Proportional to 49,466.79, 74,139.24 and 28,137.39

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Solution

The fourth proportional to 49,466.79, 74,139.24 and 28,137.39 is: 42,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,466.79 : 74,139.24 = 28,137.39 : x
  2. Step 2: Convert to fraction form
    49,466.79/74,139.24 = 28,137.39/x
  3. Step 3: Cross multiply
    49,466.79x = 74,139.24 × 28,137.39
  4. Step 4: Simplify right side
    49,466.79x = 2,086,084,756.87
  5. Step 5: Solve for x
    x = 2,086,084,756.87/49,466.79
  6. Step 6: Final answer
    x = 42,171.42

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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.