Finding the Fourth Proportional to 75,682.10, 104,449.50 and 41,694.07
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Solution
The fourth proportional to 75,682.10, 104,449.50 and 41,694.07 is: 57,542.33
Step by Step Solution
- Step 1: Write the proportion equation
75,682.10 : 104,449.50 = 41,694.07 : x - Step 2: Convert to fraction form
75,682.10/104,449.50 = 41,694.07/x - Step 3: Cross multiply
75,682.10x = 104,449.50 × 41,694.07 - Step 4: Simplify right side
75,682.10x = 4,354,924,033.75 - Step 5: Solve for x
x = 4,354,924,033.75/75,682.10 - Step 6: Final answer
x = 57,542.33
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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.