Finding the Fourth Proportional to 74,553.21, 102,847.19 and 44,317.13
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Solution
The fourth proportional to 74,553.21, 102,847.19 and 44,317.13 is: 61,136.09
Step by Step Solution
- Step 1: Write the proportion equation
74,553.21 : 102,847.19 = 44,317.13 : x - Step 2: Convert to fraction form
74,553.21/102,847.19 = 44,317.13/x - Step 3: Cross multiply
74,553.21x = 102,847.19 × 44,317.13 - Step 4: Simplify right side
74,553.21x = 4,557,891,553.54 - Step 5: Solve for x
x = 4,557,891,553.54/74,553.21 - Step 6: Final answer
x = 61,136.09
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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.