Finding the Fourth Proportional to 66,824.80, 100,237.08 and 27,381.96
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Solution
The fourth proportional to 66,824.80, 100,237.08 and 27,381.96 is: 41,072.89
Step by Step Solution
- Step 1: Write the proportion equation
66,824.80 : 100,237.08 = 27,381.96 : x - Step 2: Convert to fraction form
66,824.80/100,237.08 = 27,381.96/x - Step 3: Cross multiply
66,824.80x = 100,237.08 × 27,381.96 - Step 4: Simplify right side
66,824.80x = 2,744,687,715.08 - Step 5: Solve for x
x = 2,744,687,715.08/66,824.80 - Step 6: Final answer
x = 41,072.89
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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.