Finding the Fourth Proportional to 79,972.08, 110,361.60 and 44,163.60
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Solution
The fourth proportional to 79,972.08, 110,361.60 and 44,163.60 is: 60,945.84
Step by Step Solution
- Step 1: Write the proportion equation
79,972.08 : 110,361.60 = 44,163.60 : x - Step 2: Convert to fraction form
79,972.08/110,361.60 = 44,163.60/x - Step 3: Cross multiply
79,972.08x = 110,361.60 × 44,163.60 - Step 4: Simplify right side
79,972.08x = 4,873,965,557.76 - Step 5: Solve for x
x = 4,873,965,557.76/79,972.08 - Step 6: Final answer
x = 60,945.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.