Finding the Fourth Proportional to 71,619.12, 107,441.64 and 24,859.44
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Solution
The fourth proportional to 71,619.12, 107,441.64 and 24,859.44 is: 37,293.66
Step by Step Solution
- Step 1: Write the proportion equation
71,619.12 : 107,441.64 = 24,859.44 : x - Step 2: Convert to fraction form
71,619.12/107,441.64 = 24,859.44/x - Step 3: Cross multiply
71,619.12x = 107,441.64 × 24,859.44 - Step 4: Simplify right side
71,619.12x = 2,670,939,003.08 - Step 5: Solve for x
x = 2,670,939,003.08/71,619.12 - Step 6: Final answer
x = 37,293.66
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1.5x scale
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.