Home / 74,264-111,400.44-29,890.56

Finding the Fourth Proportional to 74,264, 111,400.44 and 29,890.56

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Solution

The fourth proportional to 74,264, 111,400.44 and 29,890.56 is: 44,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,264 : 111,400.44 = 29,890.56 : x
  2. Step 2: Convert to fraction form
    74,264/111,400.44 = 29,890.56/x
  3. Step 3: Cross multiply
    74,264x = 111,400.44 × 29,890.56
  4. Step 4: Simplify right side
    74,264x = 3,329,821,535.85
  5. Step 5: Solve for x
    x = 3,329,821,535.85/74,264
  6. Step 6: Final answer
    x = 44,837.63

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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.