Finding the Fourth Proportional to 67,203.03, 100,821.15 and 27,771.42
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Solution
The fourth proportional to 67,203.03, 100,821.15 and 27,771.42 is: 41,663.99
Step by Step Solution
- Step 1: Write the proportion equation
67,203.03 : 100,821.15 = 27,771.42 : x - Step 2: Convert to fraction form
67,203.03/100,821.15 = 27,771.42/x - Step 3: Cross multiply
67,203.03x = 100,821.15 × 27,771.42 - Step 4: Simplify right side
67,203.03x = 2,799,946,501.53 - Step 5: Solve for x
x = 2,799,946,501.53/67,203.03 - Step 6: Final answer
x = 41,663.99
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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.