Home / 54,857.34-82,289.22-15,417.54

Finding the Fourth Proportional to 54,857.34, 82,289.22 and 15,417.54

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Solution

The fourth proportional to 54,857.34, 82,289.22 and 15,417.54 is: 23,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.34 : 82,289.22 = 15,417.54 : x
  2. Step 2: Convert to fraction form
    54,857.34/82,289.22 = 15,417.54/x
  3. Step 3: Cross multiply
    54,857.34x = 82,289.22 × 15,417.54
  4. Step 4: Simplify right side
    54,857.34x = 1,268,697,340.92
  5. Step 5: Solve for x
    x = 1,268,697,340.92/54,857.34
  6. Step 6: Final answer
    x = 23,127.21

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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.