Finding the Fourth Proportional to 95,243.40, 131,296.68 and 72,543.96
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Solution
The fourth proportional to 95,243.40, 131,296.68 and 72,543.96 is: 100,004.63
Step by Step Solution
- Step 1: Write the proportion equation
95,243.40 : 131,296.68 = 72,543.96 : x - Step 2: Convert to fraction form
95,243.40/131,296.68 = 72,543.96/x - Step 3: Cross multiply
95,243.40x = 131,296.68 × 72,543.96 - Step 4: Simplify right side
95,243.40x = 9,524,781,102.05 - Step 5: Solve for x
x = 9,524,781,102.05/95,243.40 - Step 6: Final answer
x = 100,004.63
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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.