Home / 71,336.30-106,902.05-52,469.10

Finding the Fourth Proportional to 71,336.30, 106,902.05 and 52,469.10

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Solution

The fourth proportional to 71,336.30, 106,902.05 and 52,469.10 is: 78,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.30 : 106,902.05 = 52,469.10 : x
  2. Step 2: Convert to fraction form
    71,336.30/106,902.05 = 52,469.10/x
  3. Step 3: Cross multiply
    71,336.30x = 106,902.05 × 52,469.10
  4. Step 4: Simplify right side
    71,336.30x = 5,609,054,351.66
  5. Step 5: Solve for x
    x = 5,609,054,351.66/71,336.30
  6. Step 6: Final answer
    x = 78,628.33

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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.