Finding the Fourth Proportional to 73,514.80, 110,272.20 and 66,735.10
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Solution
The fourth proportional to 73,514.80, 110,272.20 and 66,735.10 is: 100,102.65
Step by Step Solution
- Step 1: Write the proportion equation
73,514.80 : 110,272.20 = 66,735.10 : x - Step 2: Convert to fraction form
73,514.80/110,272.20 = 66,735.10/x - Step 3: Cross multiply
73,514.80x = 110,272.20 × 66,735.10 - Step 4: Simplify right side
73,514.80x = 7,359,026,294.22 - Step 5: Solve for x
x = 7,359,026,294.22/73,514.80 - Step 6: Final answer
x = 100,102.65
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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.