Home / 68,379.12-94,408.20-44,190.90

Finding the Fourth Proportional to 68,379.12, 94,408.20 and 44,190.90

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Solution

The fourth proportional to 68,379.12, 94,408.20 and 44,190.90 is: 61,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379.12 : 94,408.20 = 44,190.90 : x
  2. Step 2: Convert to fraction form
    68,379.12/94,408.20 = 44,190.90/x
  3. Step 3: Cross multiply
    68,379.12x = 94,408.20 × 44,190.90
  4. Step 4: Simplify right side
    68,379.12x = 4,171,983,325.38
  5. Step 5: Solve for x
    x = 4,171,983,325.38/68,379.12
  6. Step 6: Final answer
    x = 61,012.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.