Finding the Fourth Proportional to 75,227.76, 103,811.76 and 43,395.84
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Solution
The fourth proportional to 75,227.76, 103,811.76 and 43,395.84 is: 59,884.79
Step by Step Solution
- Step 1: Write the proportion equation
75,227.76 : 103,811.76 = 43,395.84 : x - Step 2: Convert to fraction form
75,227.76/103,811.76 = 43,395.84/x - Step 3: Cross multiply
75,227.76x = 103,811.76 × 43,395.84 - Step 4: Simplify right side
75,227.76x = 4,504,998,527.08 - Step 5: Solve for x
x = 4,504,998,527.08/75,227.76 - Step 6: Final answer
x = 59,884.79
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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.