Home / 55,348.20-83,022.30-36,321.30

Finding the Fourth Proportional to 55,348.20, 83,022.30 and 36,321.30

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Solution

The fourth proportional to 55,348.20, 83,022.30 and 36,321.30 is: 54,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.20 : 83,022.30 = 36,321.30 : x
  2. Step 2: Convert to fraction form
    55,348.20/83,022.30 = 36,321.30/x
  3. Step 3: Cross multiply
    55,348.20x = 83,022.30 × 36,321.30
  4. Step 4: Simplify right side
    55,348.20x = 3,015,477,864.99
  5. Step 5: Solve for x
    x = 3,015,477,864.99/55,348.20
  6. Step 6: Final answer
    x = 54,481.95

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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.