Finding the Fourth Proportional to 77,340.36, 115,991.64 and 24,738.96
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Solution
The fourth proportional to 77,340.36, 115,991.64 and 24,738.96 is: 37,102.39
Step by Step Solution
- Step 1: Write the proportion equation
77,340.36 : 115,991.64 = 24,738.96 : x - Step 2: Convert to fraction form
77,340.36/115,991.64 = 24,738.96/x - Step 3: Cross multiply
77,340.36x = 115,991.64 × 24,738.96 - Step 4: Simplify right side
77,340.36x = 2,869,512,542.29 - Step 5: Solve for x
x = 2,869,512,542.29/77,340.36 - Step 6: Final answer
x = 37,102.39
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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.