Home / 49,039.75-73,559.63-12,103.75

Finding the Fourth Proportional to 49,039.75, 73,559.63 and 12,103.75

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Solution

The fourth proportional to 49,039.75, 73,559.63 and 12,103.75 is: 18,155.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,039.75 : 73,559.63 = 12,103.75 : x
  2. Step 2: Convert to fraction form
    49,039.75/73,559.63 = 12,103.75/x
  3. Step 3: Cross multiply
    49,039.75x = 73,559.63 × 12,103.75
  4. Step 4: Simplify right side
    49,039.75x = 890,347,371.61
  5. Step 5: Solve for x
    x = 890,347,371.61/49,039.75
  6. Step 6: Final answer
    x = 18,155.63

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1.5x scale

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.