Finding the Fourth Proportional to 88,343.58, 121,914.96 and 48,058.22
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Solution
The fourth proportional to 88,343.58, 121,914.96 and 48,058.22 is: 66,320.79
Step by Step Solution
- Step 1: Write the proportion equation
88,343.58 : 121,914.96 = 48,058.22 : x - Step 2: Convert to fraction form
88,343.58/121,914.96 = 48,058.22/x - Step 3: Cross multiply
88,343.58x = 121,914.96 × 48,058.22 - Step 4: Simplify right side
88,343.58x = 5,859,015,968.97 - Step 5: Solve for x
x = 5,859,015,968.97/88,343.58 - Step 6: Final answer
x = 66,320.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.