Home / 55,513.81-83,271.75-18,073.75

Finding the Fourth Proportional to 55,513.81, 83,271.75 and 18,073.75

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Solution

The fourth proportional to 55,513.81, 83,271.75 and 18,073.75 is: 27,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,513.81 : 83,271.75 = 18,073.75 : x
  2. Step 2: Convert to fraction form
    55,513.81/83,271.75 = 18,073.75/x
  3. Step 3: Cross multiply
    55,513.81x = 83,271.75 × 18,073.75
  4. Step 4: Simplify right side
    55,513.81x = 1,505,032,791.56
  5. Step 5: Solve for x
    x = 1,505,032,791.56/55,513.81
  6. Step 6: Final answer
    x = 27,110.96

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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.