Finding the Fourth Proportional to 71,860.48, 107,724.26 and 36,722.68
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Solution
The fourth proportional to 71,860.48, 107,724.26 and 36,722.68 is: 55,050.06
Step by Step Solution
- Step 1: Write the proportion equation
71,860.48 : 107,724.26 = 36,722.68 : x - Step 2: Convert to fraction form
71,860.48/107,724.26 = 36,722.68/x - Step 3: Cross multiply
71,860.48x = 107,724.26 × 36,722.68 - Step 4: Simplify right side
71,860.48x = 3,955,923,528.22 - Step 5: Solve for x
x = 3,955,923,528.22/71,860.48 - Step 6: Final answer
x = 55,050.06
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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.