Home / 54,868.91-82,308.22-15,426.36

Finding the Fourth Proportional to 54,868.91, 82,308.22 and 15,426.36

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Solution

The fourth proportional to 54,868.91, 82,308.22 and 15,426.36 is: 23,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,868.91 : 82,308.22 = 15,426.36 : x
  2. Step 2: Convert to fraction form
    54,868.91/82,308.22 = 15,426.36/x
  3. Step 3: Cross multiply
    54,868.91x = 82,308.22 × 15,426.36
  4. Step 4: Simplify right side
    54,868.91x = 1,269,716,194.11
  5. Step 5: Solve for x
    x = 1,269,716,194.11/54,868.91
  6. Step 6: Final answer
    x = 23,140.91

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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.