Home / 54,747.04-82,121.84-17,813.92

Finding the Fourth Proportional to 54,747.04, 82,121.84 and 17,813.92

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Solution

The fourth proportional to 54,747.04, 82,121.84 and 17,813.92 is: 26,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,747.04 : 82,121.84 = 17,813.92 : x
  2. Step 2: Convert to fraction form
    54,747.04/82,121.84 = 17,813.92/x
  3. Step 3: Cross multiply
    54,747.04x = 82,121.84 × 17,813.92
  4. Step 4: Simplify right side
    54,747.04x = 1,462,911,888.01
  5. Step 5: Solve for x
    x = 1,462,911,888.01/54,747.04
  6. Step 6: Final answer
    x = 26,721.30

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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.