Finding the Fourth Proportional to 88,151.44, 121,631.88 and 52,352.68
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Solution
The fourth proportional to 88,151.44, 121,631.88 and 52,352.68 is: 72,236.54
Step by Step Solution
- Step 1: Write the proportion equation
88,151.44 : 121,631.88 = 52,352.68 : x - Step 2: Convert to fraction form
88,151.44/121,631.88 = 52,352.68/x - Step 3: Cross multiply
88,151.44x = 121,631.88 × 52,352.68 - Step 4: Simplify right side
88,151.44x = 6,367,754,891.44 - Step 5: Solve for x
x = 6,367,754,891.44/88,151.44 - Step 6: Final answer
x = 72,236.54
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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.