Finding the Fourth Proportional to 98,243.44, 135,566.04 and 55,793.68
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Solution
The fourth proportional to 98,243.44, 135,566.04 and 55,793.68 is: 76,989.65
Step by Step Solution
- Step 1: Write the proportion equation
98,243.44 : 135,566.04 = 55,793.68 : x - Step 2: Convert to fraction form
98,243.44/135,566.04 = 55,793.68/x - Step 3: Cross multiply
98,243.44x = 135,566.04 × 55,793.68 - Step 4: Simplify right side
98,243.44x = 7,563,728,254.63 - Step 5: Solve for x
x = 7,563,728,254.63/98,243.44 - Step 6: Final answer
x = 76,989.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.