Home / 55,940.11-83,907.42-20,877.04

Finding the Fourth Proportional to 55,940.11, 83,907.42 and 20,877.04

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Solution

The fourth proportional to 55,940.11, 83,907.42 and 20,877.04 is: 31,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.11 : 83,907.42 = 20,877.04 : x
  2. Step 2: Convert to fraction form
    55,940.11/83,907.42 = 20,877.04/x
  3. Step 3: Cross multiply
    55,940.11x = 83,907.42 × 20,877.04
  4. Step 4: Simplify right side
    55,940.11x = 1,751,738,563.64
  5. Step 5: Solve for x
    x = 1,751,738,563.64/55,940.11
  6. Step 6: Final answer
    x = 31,314.54

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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.