Finding the Fourth Proportional to 67,586.92, 101,379.26 and 20,202.12
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Solution
The fourth proportional to 67,586.92, 101,379.26 and 20,202.12 is: 30,302.85
Step by Step Solution
- Step 1: Write the proportion equation
67,586.92 : 101,379.26 = 20,202.12 : x - Step 2: Convert to fraction form
67,586.92/101,379.26 = 20,202.12/x - Step 3: Cross multiply
67,586.92x = 101,379.26 × 20,202.12 - Step 4: Simplify right side
67,586.92x = 2,048,075,976.03 - Step 5: Solve for x
x = 2,048,075,976.03/67,586.92 - Step 6: Final answer
x = 30,302.85
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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.