Finding the Fourth Proportional to 81,233.22, 121,797.63 and 33,880.98
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Solution
The fourth proportional to 81,233.22, 121,797.63 and 33,880.98 is: 50,799.70
Step by Step Solution
- Step 1: Write the proportion equation
81,233.22 : 121,797.63 = 33,880.98 : x - Step 2: Convert to fraction form
81,233.22/121,797.63 = 33,880.98/x - Step 3: Cross multiply
81,233.22x = 121,797.63 × 33,880.98 - Step 4: Simplify right side
81,233.22x = 4,126,623,066.08 - Step 5: Solve for x
x = 4,126,623,066.08/81,233.22 - Step 6: Final answer
x = 50,799.70
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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.