Home / 71,311.12-106,886.49-26,907.73

Finding the Fourth Proportional to 71,311.12, 106,886.49 and 26,907.73

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Solution

The fourth proportional to 71,311.12, 106,886.49 and 26,907.73 is: 40,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.12 : 106,886.49 = 26,907.73 : x
  2. Step 2: Convert to fraction form
    71,311.12/106,886.49 = 26,907.73/x
  3. Step 3: Cross multiply
    71,311.12x = 106,886.49 × 26,907.73
  4. Step 4: Simplify right side
    71,311.12x = 2,876,072,813.57
  5. Step 5: Solve for x
    x = 2,876,072,813.57/71,311.12
  6. Step 6: Final answer
    x = 40,331.34

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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.