Home / 43,455.60-65,183.40-36,910.80

Finding the Fourth Proportional to 43,455.60, 65,183.40 and 36,910.80

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Solution

The fourth proportional to 43,455.60, 65,183.40 and 36,910.80 is: 55,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.60 : 65,183.40 = 36,910.80 : x
  2. Step 2: Convert to fraction form
    43,455.60/65,183.40 = 36,910.80/x
  3. Step 3: Cross multiply
    43,455.60x = 65,183.40 × 36,910.80
  4. Step 4: Simplify right side
    43,455.60x = 2,405,971,440.72
  5. Step 5: Solve for x
    x = 2,405,971,440.72/43,455.60
  6. Step 6: Final answer
    x = 55,366.20

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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.