Home / 49,014.75-73,522.13-12,078.75

Finding the Fourth Proportional to 49,014.75, 73,522.13 and 12,078.75

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Solution

The fourth proportional to 49,014.75, 73,522.13 and 12,078.75 is: 18,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,014.75 : 73,522.13 = 12,078.75 : x
  2. Step 2: Convert to fraction form
    49,014.75/73,522.13 = 12,078.75/x
  3. Step 3: Cross multiply
    49,014.75x = 73,522.13 × 12,078.75
  4. Step 4: Simplify right side
    49,014.75x = 888,055,367.34
  5. Step 5: Solve for x
    x = 888,055,367.34/49,014.75
  6. Step 6: Final answer
    x = 18,118.13

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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.