Home / 69,091.25-103,611.35-54,329.00

Finding the Fourth Proportional to 69,091.25, 103,611.35 and 54,329.00

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Solution

The fourth proportional to 69,091.25, 103,611.35 and 54,329.00 is: 81,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,091.25 : 103,611.35 = 54,329.00 : x
  2. Step 2: Convert to fraction form
    69,091.25/103,611.35 = 54,329.00/x
  3. Step 3: Cross multiply
    69,091.25x = 103,611.35 × 54,329.00
  4. Step 4: Simplify right side
    69,091.25x = 5,629,100,651.92
  5. Step 5: Solve for x
    x = 5,629,100,651.92/69,091.25
  6. Step 6: Final answer
    x = 81,473.43

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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.