Finding the Fourth Proportional to 73,890.08, 110,879.36 and 27,147.68
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Solution
The fourth proportional to 73,890.08, 110,879.36 and 27,147.68 is: 40,737.77
Step by Step Solution
- Step 1: Write the proportion equation
73,890.08 : 110,879.36 = 27,147.68 : x - Step 2: Convert to fraction form
73,890.08/110,879.36 = 27,147.68/x - Step 3: Cross multiply
73,890.08x = 110,879.36 × 27,147.68 - Step 4: Simplify right side
73,890.08x = 3,010,117,383.88 - Step 5: Solve for x
x = 3,010,117,383.88/73,890.08 - Step 6: Final answer
x = 40,737.77
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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.