Home / 54,530.80-81,796.20-41,311.60

Finding the Fourth Proportional to 54,530.80, 81,796.20 and 41,311.60

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Solution

The fourth proportional to 54,530.80, 81,796.20 and 41,311.60 is: 61,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.80 : 81,796.20 = 41,311.60 : x
  2. Step 2: Convert to fraction form
    54,530.80/81,796.20 = 41,311.60/x
  3. Step 3: Cross multiply
    54,530.80x = 81,796.20 × 41,311.60
  4. Step 4: Simplify right side
    54,530.80x = 3,379,131,895.92
  5. Step 5: Solve for x
    x = 3,379,131,895.92/54,530.80
  6. Step 6: Final answer
    x = 61,967.40

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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.