Finding the Fourth Proportional to 76,805.73, 115,228.04 and 32,409.63
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Solution
The fourth proportional to 76,805.73, 115,228.04 and 32,409.63 is: 48,622.65
Step by Step Solution
- Step 1: Write the proportion equation
76,805.73 : 115,228.04 = 32,409.63 : x - Step 2: Convert to fraction form
76,805.73/115,228.04 = 32,409.63/x - Step 3: Cross multiply
76,805.73x = 115,228.04 × 32,409.63 - Step 4: Simplify right side
76,805.73x = 3,734,497,979.98 - Step 5: Solve for x
x = 3,734,497,979.98/76,805.73 - Step 6: Final answer
x = 48,622.65
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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.