Home / 55,814.82-83,723.94-20,283.36

Finding the Fourth Proportional to 55,814.82, 83,723.94 and 20,283.36

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Solution

The fourth proportional to 55,814.82, 83,723.94 and 20,283.36 is: 30,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,814.82 : 83,723.94 = 20,283.36 : x
  2. Step 2: Convert to fraction form
    55,814.82/83,723.94 = 20,283.36/x
  3. Step 3: Cross multiply
    55,814.82x = 83,723.94 × 20,283.36
  4. Step 4: Simplify right side
    55,814.82x = 1,698,202,815.64
  5. Step 5: Solve for x
    x = 1,698,202,815.64/55,814.82
  6. Step 6: Final answer
    x = 30,425.66

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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.