Finding the Fourth Proportional to 73,874.44, 110,811.66 and 18,470.44
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Solution
The fourth proportional to 73,874.44, 110,811.66 and 18,470.44 is: 27,705.66
Step by Step Solution
- Step 1: Write the proportion equation
73,874.44 : 110,811.66 = 18,470.44 : x - Step 2: Convert to fraction form
73,874.44/110,811.66 = 18,470.44/x - Step 3: Cross multiply
73,874.44x = 110,811.66 × 18,470.44 - Step 4: Simplify right side
73,874.44x = 2,046,739,771.04 - Step 5: Solve for x
x = 2,046,739,771.04/73,874.44 - Step 6: Final answer
x = 27,705.66
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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.