Home / 49,443.14-74,134.81-19,421.44

Finding the Fourth Proportional to 49,443.14, 74,134.81 and 19,421.44

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Solution

The fourth proportional to 49,443.14, 74,134.81 and 19,421.44 is: 29,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.14 : 74,134.81 = 19,421.44 : x
  2. Step 2: Convert to fraction form
    49,443.14/74,134.81 = 19,421.44/x
  3. Step 3: Cross multiply
    49,443.14x = 74,134.81 × 19,421.44
  4. Step 4: Simplify right side
    49,443.14x = 1,439,804,764.33
  5. Step 5: Solve for x
    x = 1,439,804,764.33/49,443.14
  6. Step 6: Final answer
    x = 29,120.42

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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.