Finding the Fourth Proportional to 74,847.70, 103,287.23 and 44,617.44
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Solution
The fourth proportional to 74,847.70, 103,287.23 and 44,617.44 is: 61,570.52
Step by Step Solution
- Step 1: Write the proportion equation
74,847.70 : 103,287.23 = 44,617.44 : x - Step 2: Convert to fraction form
74,847.70/103,287.23 = 44,617.44/x - Step 3: Cross multiply
74,847.70x = 103,287.23 × 44,617.44 - Step 4: Simplify right side
74,847.70x = 4,608,411,787.29 - Step 5: Solve for x
x = 4,608,411,787.29/74,847.70 - Step 6: Final answer
x = 61,570.52
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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.