Finding the Fourth Proportional to 74,020.98, 102,142.35 and 41,757.96
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Solution
The fourth proportional to 74,020.98, 102,142.35 and 41,757.96 is: 57,622.26
Step by Step Solution
- Step 1: Write the proportion equation
74,020.98 : 102,142.35 = 41,757.96 : x - Step 2: Convert to fraction form
74,020.98/102,142.35 = 41,757.96/x - Step 3: Cross multiply
74,020.98x = 102,142.35 × 41,757.96 - Step 4: Simplify right side
74,020.98x = 4,265,256,165.61 - Step 5: Solve for x
x = 4,265,256,165.61/74,020.98 - Step 6: Final answer
x = 57,622.26
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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.