Home / 48,919.40-73,379.10-48,627.80

Finding the Fourth Proportional to 48,919.40, 73,379.10 and 48,627.80

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Solution

The fourth proportional to 48,919.40, 73,379.10 and 48,627.80 is: 72,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.40 : 73,379.10 = 48,627.80 : x
  2. Step 2: Convert to fraction form
    48,919.40/73,379.10 = 48,627.80/x
  3. Step 3: Cross multiply
    48,919.40x = 73,379.10 × 48,627.80
  4. Step 4: Simplify right side
    48,919.40x = 3,568,264,198.98
  5. Step 5: Solve for x
    x = 3,568,264,198.98/48,919.40
  6. Step 6: Final answer
    x = 72,941.70

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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.