Finding the Fourth Proportional to 74,555.83, 102,770.33 and 50,640.99
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Solution
The fourth proportional to 74,555.83, 102,770.33 and 50,640.99 is: 69,805.29
Step by Step Solution
- Step 1: Write the proportion equation
74,555.83 : 102,770.33 = 50,640.99 : x - Step 2: Convert to fraction form
74,555.83/102,770.33 = 50,640.99/x - Step 3: Cross multiply
74,555.83x = 102,770.33 × 50,640.99 - Step 4: Simplify right side
74,555.83x = 5,204,391,253.83 - Step 5: Solve for x
x = 5,204,391,253.83/74,555.83 - Step 6: Final answer
x = 69,805.29
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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.