Finding the Fourth Proportional to 85,282.74, 117,684.63 and 47,039.99
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Solution
The fourth proportional to 85,282.74, 117,684.63 and 47,039.99 is: 64,912.12
Step by Step Solution
- Step 1: Write the proportion equation
85,282.74 : 117,684.63 = 47,039.99 : x - Step 2: Convert to fraction form
85,282.74/117,684.63 = 47,039.99/x - Step 3: Cross multiply
85,282.74x = 117,684.63 × 47,039.99 - Step 4: Simplify right side
85,282.74x = 5,535,883,229.93 - Step 5: Solve for x
x = 5,535,883,229.93/85,282.74 - Step 6: Final answer
x = 64,912.12
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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.