Finding the Fourth Proportional to 69,919.44, 104,791.56 and 55,069.68
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Solution
The fourth proportional to 69,919.44, 104,791.56 and 55,069.68 is: 82,535.52
Step by Step Solution
- Step 1: Write the proportion equation
69,919.44 : 104,791.56 = 55,069.68 : x - Step 2: Convert to fraction form
69,919.44/104,791.56 = 55,069.68/x - Step 3: Cross multiply
69,919.44x = 104,791.56 × 55,069.68 - Step 4: Simplify right side
69,919.44x = 5,770,837,675.90 - Step 5: Solve for x
x = 5,770,837,675.90/69,919.44 - Step 6: Final answer
x = 82,535.52
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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.