Finding the Fourth Proportional to 88,122.99, 132,174.18 and 28,944.09
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Solution
The fourth proportional to 88,122.99, 132,174.18 and 28,944.09 is: 43,412.75
Step by Step Solution
- Step 1: Write the proportion equation
88,122.99 : 132,174.18 = 28,944.09 : x - Step 2: Convert to fraction form
88,122.99/132,174.18 = 28,944.09/x - Step 3: Cross multiply
88,122.99x = 132,174.18 × 28,944.09 - Step 4: Simplify right side
88,122.99x = 3,825,661,361.60 - Step 5: Solve for x
x = 3,825,661,361.60/88,122.99 - Step 6: Final answer
x = 43,412.75
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1.5x scale
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.