Home / 54,554.55-81,846.06-17,115.81

Finding the Fourth Proportional to 54,554.55, 81,846.06 and 17,115.81

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Solution

The fourth proportional to 54,554.55, 81,846.06 and 17,115.81 is: 25,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.55 : 81,846.06 = 17,115.81 : x
  2. Step 2: Convert to fraction form
    54,554.55/81,846.06 = 17,115.81/x
  3. Step 3: Cross multiply
    54,554.55x = 81,846.06 × 17,115.81
  4. Step 4: Simplify right side
    54,554.55x = 1,400,861,612.21
  5. Step 5: Solve for x
    x = 1,400,861,612.21/54,554.55
  6. Step 6: Final answer
    x = 25,678.18

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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.