Finding the Fourth Proportional to 71,827.88, 107,725.62 and 27,438.80
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Solution
The fourth proportional to 71,827.88, 107,725.62 and 27,438.80 is: 41,152.01
Step by Step Solution
- Step 1: Write the proportion equation
71,827.88 : 107,725.62 = 27,438.80 : x - Step 2: Convert to fraction form
71,827.88/107,725.62 = 27,438.80/x - Step 3: Cross multiply
71,827.88x = 107,725.62 × 27,438.80 - Step 4: Simplify right side
71,827.88x = 2,955,861,742.06 - Step 5: Solve for x
x = 2,955,861,742.06/71,827.88 - Step 6: Final answer
x = 41,152.01
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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.