Finding the Fourth Proportional to 99,618.67, 137,473.88 and 54,296.70
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Solution
The fourth proportional to 99,618.67, 137,473.88 and 54,296.70 is: 74,929.50
Step by Step Solution
- Step 1: Write the proportion equation
99,618.67 : 137,473.88 = 54,296.70 : x - Step 2: Convert to fraction form
99,618.67/137,473.88 = 54,296.70/x - Step 3: Cross multiply
99,618.67x = 137,473.88 × 54,296.70 - Step 4: Simplify right side
99,618.67x = 7,464,377,233.19 - Step 5: Solve for x
x = 7,464,377,233.19/99,618.67 - Step 6: Final answer
x = 74,929.50
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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.