Finding the Fourth Proportional to 73,803.18, 110,453.97 and 55,036.68
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Solution
The fourth proportional to 73,803.18, 110,453.97 and 55,036.68 is: 82,367.99
Step by Step Solution
- Step 1: Write the proportion equation
73,803.18 : 110,453.97 = 55,036.68 : x - Step 2: Convert to fraction form
73,803.18/110,453.97 = 55,036.68/x - Step 3: Cross multiply
73,803.18x = 110,453.97 × 55,036.68 - Step 4: Simplify right side
73,803.18x = 6,079,019,801.62 - Step 5: Solve for x
x = 6,079,019,801.62/73,803.18 - Step 6: Final answer
x = 82,367.99
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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.