Finding the Fourth Proportional to 71,409.26, 107,114.85 and 27,024.09
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Solution
The fourth proportional to 71,409.26, 107,114.85 and 27,024.09 is: 40,536.50
Step by Step Solution
- Step 1: Write the proportion equation
71,409.26 : 107,114.85 = 27,024.09 : x - Step 2: Convert to fraction form
71,409.26/107,114.85 = 27,024.09/x - Step 3: Cross multiply
71,409.26x = 107,114.85 × 27,024.09 - Step 4: Simplify right side
71,409.26x = 2,894,681,346.74 - Step 5: Solve for x
x = 2,894,681,346.74/71,409.26 - Step 6: Final answer
x = 40,536.50
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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.