Finding the Fourth Proportional to 77,052.44, 115,612.07 and 27,168.19
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Solution
The fourth proportional to 77,052.44, 115,612.07 and 27,168.19 is: 40,764.07
Step by Step Solution
- Step 1: Write the proportion equation
77,052.44 : 115,612.07 = 27,168.19 : x - Step 2: Convert to fraction form
77,052.44/115,612.07 = 27,168.19/x - Step 3: Cross multiply
77,052.44x = 115,612.07 × 27,168.19 - Step 4: Simplify right side
77,052.44x = 3,140,970,684.05 - Step 5: Solve for x
x = 3,140,970,684.05/77,052.44 - Step 6: Final answer
x = 40,764.07
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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.