Finding the Fourth Proportional to 75,097.73, 112,628.78 and 27,687.06
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Solution
The fourth proportional to 75,097.73, 112,628.78 and 27,687.06 is: 41,524.02
Step by Step Solution
- Step 1: Write the proportion equation
75,097.73 : 112,628.78 = 27,687.06 : x - Step 2: Convert to fraction form
75,097.73/112,628.78 = 27,687.06/x - Step 3: Cross multiply
75,097.73x = 112,628.78 × 27,687.06 - Step 4: Simplify right side
75,097.73x = 3,118,359,651.15 - Step 5: Solve for x
x = 3,118,359,651.15/75,097.73 - Step 6: Final answer
x = 41,524.02
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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.