Finding the Fourth Proportional to 74,847.26, 103,286.65 and 44,616.99
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Solution
The fourth proportional to 74,847.26, 103,286.65 and 44,616.99 is: 61,569.91
Step by Step Solution
- Step 1: Write the proportion equation
74,847.26 : 103,286.65 = 44,616.99 : x - Step 2: Convert to fraction form
74,847.26/103,286.65 = 44,616.99/x - Step 3: Cross multiply
74,847.26x = 103,286.65 × 44,616.99 - Step 4: Simplify right side
74,847.26x = 4,608,339,430.18 - Step 5: Solve for x
x = 4,608,339,430.18/74,847.26 - Step 6: Final answer
x = 61,569.91
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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.