Home / 49,464.81-74,227.32-28,431.27

Finding the Fourth Proportional to 49,464.81, 74,227.32 and 28,431.27

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Solution

The fourth proportional to 49,464.81, 74,227.32 and 28,431.27 is: 42,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,464.81 : 74,227.32 = 28,431.27 : x
  2. Step 2: Convert to fraction form
    49,464.81/74,227.32 = 28,431.27/x
  3. Step 3: Cross multiply
    49,464.81x = 74,227.32 × 28,431.27
  4. Step 4: Simplify right side
    49,464.81x = 2,110,376,976.30
  5. Step 5: Solve for x
    x = 2,110,376,976.30/49,464.81
  6. Step 6: Final answer
    x = 42,664.21

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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.