Home / 55,102.42-82,645.28-17,658.54

Finding the Fourth Proportional to 55,102.42, 82,645.28 and 17,658.54

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Solution

The fourth proportional to 55,102.42, 82,645.28 and 17,658.54 is: 26,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.42 : 82,645.28 = 17,658.54 : x
  2. Step 2: Convert to fraction form
    55,102.42/82,645.28 = 17,658.54/x
  3. Step 3: Cross multiply
    55,102.42x = 82,645.28 × 17,658.54
  4. Step 4: Simplify right side
    55,102.42x = 1,459,394,982.69
  5. Step 5: Solve for x
    x = 1,459,394,982.69/55,102.42
  6. Step 6: Final answer
    x = 26,485.13

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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.