Finding the Fourth Proportional to 67,224.20, 100,559.25 and 55,243.08
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Solution
The fourth proportional to 67,224.20, 100,559.25 and 55,243.08 is: 82,636.95
Step by Step Solution
- Step 1: Write the proportion equation
67,224.20 : 100,559.25 = 55,243.08 : x - Step 2: Convert to fraction form
67,224.20/100,559.25 = 55,243.08/x - Step 3: Cross multiply
67,224.20x = 100,559.25 × 55,243.08 - Step 4: Simplify right side
67,224.20x = 5,555,202,692.49 - Step 5: Solve for x
x = 5,555,202,692.49/67,224.20 - Step 6: Final answer
x = 82,636.95
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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.