Home / 71,239.38-106,823.43-23,838.18

Finding the Fourth Proportional to 71,239.38, 106,823.43 and 23,838.18

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Solution

The fourth proportional to 71,239.38, 106,823.43 and 23,838.18 is: 35,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,239.38 : 106,823.43 = 23,838.18 : x
  2. Step 2: Convert to fraction form
    71,239.38/106,823.43 = 23,838.18/x
  3. Step 3: Cross multiply
    71,239.38x = 106,823.43 × 23,838.18
  4. Step 4: Simplify right side
    71,239.38x = 2,546,476,152.56
  5. Step 5: Solve for x
    x = 2,546,476,152.56/71,239.38
  6. Step 6: Final answer
    x = 35,745.34

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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.