Home / 54,635.43-81,957.72-15,192.90

Finding the Fourth Proportional to 54,635.43, 81,957.72 and 15,192.90

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Solution

The fourth proportional to 54,635.43, 81,957.72 and 15,192.90 is: 22,790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.43 : 81,957.72 = 15,192.90 : x
  2. Step 2: Convert to fraction form
    54,635.43/81,957.72 = 15,192.90/x
  3. Step 3: Cross multiply
    54,635.43x = 81,957.72 × 15,192.90
  4. Step 4: Simplify right side
    54,635.43x = 1,245,175,444.19
  5. Step 5: Solve for x
    x = 1,245,175,444.19/54,635.43
  6. Step 6: Final answer
    x = 22,790.62

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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.