Finding the Fourth Proportional to 74,845.26, 103,283.89 and 44,614.99
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Solution
The fourth proportional to 74,845.26, 103,283.89 and 44,614.99 is: 61,567.15
Step by Step Solution
- Step 1: Write the proportion equation
74,845.26 : 103,283.89 = 44,614.99 : x - Step 2: Convert to fraction form
74,845.26/103,283.89 = 44,614.99/x - Step 3: Cross multiply
74,845.26x = 103,283.89 × 44,614.99 - Step 4: Simplify right side
74,845.26x = 4,608,009,719.51 - Step 5: Solve for x
x = 4,608,009,719.51/74,845.26 - Step 6: Final answer
x = 61,567.15
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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.