Home / 49,085.60-73,628.40-12,149.60

Finding the Fourth Proportional to 49,085.60, 73,628.40 and 12,149.60

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Solution

The fourth proportional to 49,085.60, 73,628.40 and 12,149.60 is: 18,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,085.60 : 73,628.40 = 12,149.60 : x
  2. Step 2: Convert to fraction form
    49,085.60/73,628.40 = 12,149.60/x
  3. Step 3: Cross multiply
    49,085.60x = 73,628.40 × 12,149.60
  4. Step 4: Simplify right side
    49,085.60x = 894,555,608.64
  5. Step 5: Solve for x
    x = 894,555,608.64/49,085.60
  6. Step 6: Final answer
    x = 18,224.40

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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.