Finding the Fourth Proportional to 81,598.08, 122,382.48 and 22,425.96
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Solution
The fourth proportional to 81,598.08, 122,382.48 and 22,425.96 is: 33,634.92
Step by Step Solution
- Step 1: Write the proportion equation
81,598.08 : 122,382.48 = 22,425.96 : x - Step 2: Convert to fraction form
81,598.08/122,382.48 = 22,425.96/x - Step 3: Cross multiply
81,598.08x = 122,382.48 × 22,425.96 - Step 4: Simplify right side
81,598.08x = 2,744,544,601.18 - Step 5: Solve for x
x = 2,744,544,601.18/81,598.08 - Step 6: Final answer
x = 33,634.92
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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.