Finding the Fourth Proportional to 88,945.68, 122,743.68 and 48,658.44
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Solution
The fourth proportional to 88,945.68, 122,743.68 and 48,658.44 is: 67,147.90
Step by Step Solution
- Step 1: Write the proportion equation
88,945.68 : 122,743.68 = 48,658.44 : x - Step 2: Convert to fraction form
88,945.68/122,743.68 = 48,658.44/x - Step 3: Cross multiply
88,945.68x = 122,743.68 × 48,658.44 - Step 4: Simplify right side
88,945.68x = 5,972,515,988.66 - Step 5: Solve for x
x = 5,972,515,988.66/88,945.68 - Step 6: Final answer
x = 67,147.90
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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.