Finding the Fourth Proportional to 74,055.24, 110,943.36 and 36,571.44
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Solution
The fourth proportional to 74,055.24, 110,943.36 and 36,571.44 is: 54,788.27
Step by Step Solution
- Step 1: Write the proportion equation
74,055.24 : 110,943.36 = 36,571.44 : x - Step 2: Convert to fraction form
74,055.24/110,943.36 = 36,571.44/x - Step 3: Cross multiply
74,055.24x = 110,943.36 × 36,571.44 - Step 4: Simplify right side
74,055.24x = 4,057,358,433.64 - Step 5: Solve for x
x = 4,057,358,433.64/74,055.24 - Step 6: Final answer
x = 54,788.27
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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.