Home / 55,511.31-83,267.99-18,071.25

Finding the Fourth Proportional to 55,511.31, 83,267.99 and 18,071.25

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Solution

The fourth proportional to 55,511.31, 83,267.99 and 18,071.25 is: 27,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511.31 : 83,267.99 = 18,071.25 : x
  2. Step 2: Convert to fraction form
    55,511.31/83,267.99 = 18,071.25/x
  3. Step 3: Cross multiply
    55,511.31x = 83,267.99 × 18,071.25
  4. Step 4: Simplify right side
    55,511.31x = 1,504,756,709.47
  5. Step 5: Solve for x
    x = 1,504,756,709.47/55,511.31
  6. Step 6: Final answer
    x = 27,107.21

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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.