Home / 54,880.19-82,310.68-15,427.92

Finding the Fourth Proportional to 54,880.19, 82,310.68 and 15,427.92

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Solution

The fourth proportional to 54,880.19, 82,310.68 and 15,427.92 is: 23,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.19 : 82,310.68 = 15,427.92 : x
  2. Step 2: Convert to fraction form
    54,880.19/82,310.68 = 15,427.92/x
  3. Step 3: Cross multiply
    54,880.19x = 82,310.68 × 15,427.92
  4. Step 4: Simplify right side
    54,880.19x = 1,269,882,509.05
  5. Step 5: Solve for x
    x = 1,269,882,509.05/54,880.19
  6. Step 6: Final answer
    x = 23,139.18

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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.