Home / 55,142.63-82,709.01-17,692.53

Finding the Fourth Proportional to 55,142.63, 82,709.01 and 17,692.53

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Solution

The fourth proportional to 55,142.63, 82,709.01 and 17,692.53 is: 26,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,142.63 : 82,709.01 = 17,692.53 : x
  2. Step 2: Convert to fraction form
    55,142.63/82,709.01 = 17,692.53/x
  3. Step 3: Cross multiply
    55,142.63x = 82,709.01 × 17,692.53
  4. Step 4: Simplify right side
    55,142.63x = 1,463,331,640.70
  5. Step 5: Solve for x
    x = 1,463,331,640.70/55,142.63
  6. Step 6: Final answer
    x = 26,537.21

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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.