Home / 68,078.20-102,002.10-44,692.60

Finding the Fourth Proportional to 68,078.20, 102,002.10 and 44,692.60

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Solution

The fourth proportional to 68,078.20, 102,002.10 and 44,692.60 is: 66,963.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,078.20 : 102,002.10 = 44,692.60 : x
  2. Step 2: Convert to fraction form
    68,078.20/102,002.10 = 44,692.60/x
  3. Step 3: Cross multiply
    68,078.20x = 102,002.10 × 44,692.60
  4. Step 4: Simplify right side
    68,078.20x = 4,558,739,054.46
  5. Step 5: Solve for x
    x = 4,558,739,054.46/68,078.20
  6. Step 6: Final answer
    x = 66,963.27

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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.