Finding the Fourth Proportional to 71,524.36, 107,265.66 and 27,119.08
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Solution
The fourth proportional to 71,524.36, 107,265.66 and 27,119.08 is: 40,670.70
Step by Step Solution
- Step 1: Write the proportion equation
71,524.36 : 107,265.66 = 27,119.08 : x - Step 2: Convert to fraction form
71,524.36/107,265.66 = 27,119.08/x - Step 3: Cross multiply
71,524.36x = 107,265.66 × 27,119.08 - Step 4: Simplify right side
71,524.36x = 2,908,946,014.79 - Step 5: Solve for x
x = 2,908,946,014.79/71,524.36 - Step 6: Final answer
x = 40,670.70
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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.