Finding the Fourth Proportional to 86,527.07, 129,789.74 and 27,362.75
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Solution
The fourth proportional to 86,527.07, 129,789.74 and 27,362.75 is: 41,043.85
Step by Step Solution
- Step 1: Write the proportion equation
86,527.07 : 129,789.74 = 27,362.75 : x - Step 2: Convert to fraction form
86,527.07/129,789.74 = 27,362.75/x - Step 3: Cross multiply
86,527.07x = 129,789.74 × 27,362.75 - Step 4: Simplify right side
86,527.07x = 3,551,403,627.64 - Step 5: Solve for x
x = 3,551,403,627.64/86,527.07 - Step 6: Final answer
x = 41,043.85
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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.