Finding the Fourth Proportional to 66,827.08, 100,153.12 and 27,337.96
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Solution
The fourth proportional to 66,827.08, 100,153.12 and 27,337.96 is: 40,971.15
Step by Step Solution
- Step 1: Write the proportion equation
66,827.08 : 100,153.12 = 27,337.96 : x - Step 2: Convert to fraction form
66,827.08/100,153.12 = 27,337.96/x - Step 3: Cross multiply
66,827.08x = 100,153.12 × 27,337.96 - Step 4: Simplify right side
66,827.08x = 2,737,981,988.44 - Step 5: Solve for x
x = 2,737,981,988.44/66,827.08 - Step 6: Final answer
x = 40,971.15
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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.