Finding the Fourth Proportional to 71,670.24, 107,536.36 and 27,310.32
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Solution
The fourth proportional to 71,670.24, 107,536.36 and 27,310.32 is: 40,977.29
Step by Step Solution
- Step 1: Write the proportion equation
71,670.24 : 107,536.36 = 27,310.32 : x - Step 2: Convert to fraction form
71,670.24/107,536.36 = 27,310.32/x - Step 3: Cross multiply
71,670.24x = 107,536.36 × 27,310.32 - Step 4: Simplify right side
71,670.24x = 2,936,852,403.24 - Step 5: Solve for x
x = 2,936,852,403.24/71,670.24 - Step 6: Final answer
x = 40,977.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.