Finding the Fourth Proportional to 73,976.63, 110,992.88 and 44,415.08
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Solution
The fourth proportional to 73,976.63, 110,992.88 and 44,415.08 is: 66,639.38
Step by Step Solution
- Step 1: Write the proportion equation
73,976.63 : 110,992.88 = 44,415.08 : x - Step 2: Convert to fraction form
73,976.63/110,992.88 = 44,415.08/x - Step 3: Cross multiply
73,976.63x = 110,992.88 × 44,415.08 - Step 4: Simplify right side
73,976.63x = 4,929,757,200.70 - Step 5: Solve for x
x = 4,929,757,200.70/73,976.63 - Step 6: Final answer
x = 66,639.38
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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.