Finding the Fourth Proportional to 88,855.68, 133,290.39 and 29,691.56
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Solution
The fourth proportional to 88,855.68, 133,290.39 and 29,691.56 is: 44,539.63
Step by Step Solution
- Step 1: Write the proportion equation
88,855.68 : 133,290.39 = 29,691.56 : x - Step 2: Convert to fraction form
88,855.68/133,290.39 = 29,691.56/x - Step 3: Cross multiply
88,855.68x = 133,290.39 × 29,691.56 - Step 4: Simplify right side
88,855.68x = 3,957,598,945.66 - Step 5: Solve for x
x = 3,957,598,945.66/88,855.68 - Step 6: Final answer
x = 44,539.63
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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.