Home / 54,819.70-75,651.18-29,669.20

Finding the Fourth Proportional to 54,819.70, 75,651.18 and 29,669.20

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Solution

The fourth proportional to 54,819.70, 75,651.18 and 29,669.20 is: 40,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,819.70 : 75,651.18 = 29,669.20 : x
  2. Step 2: Convert to fraction form
    54,819.70/75,651.18 = 29,669.20/x
  3. Step 3: Cross multiply
    54,819.70x = 75,651.18 × 29,669.20
  4. Step 4: Simplify right side
    54,819.70x = 2,244,509,611.40
  5. Step 5: Solve for x
    x = 2,244,509,611.40/54,819.70
  6. Step 6: Final answer
    x = 40,943.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.