Home / 102,841.98-154,013.94-71,163.24

Finding the Fourth Proportional to 102,841.98, 154,013.94 and 71,163.24

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Solution

The fourth proportional to 102,841.98, 154,013.94 and 71,163.24 is: 106,572.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,841.98 : 154,013.94 = 71,163.24 : x
  2. Step 2: Convert to fraction form
    102,841.98/154,013.94 = 71,163.24/x
  3. Step 3: Cross multiply
    102,841.98x = 154,013.94 × 71,163.24
  4. Step 4: Simplify right side
    102,841.98x = 10,960,130,975.57
  5. Step 5: Solve for x
    x = 10,960,130,975.57/102,841.98
  6. Step 6: Final answer
    x = 106,572.54

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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.