Finding the Fourth Proportional to 99,350.58, 149,092.80 and 37,021.08
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Solution
The fourth proportional to 99,350.58, 149,092.80 and 37,021.08 is: 55,556.56
Step by Step Solution
- Step 1: Write the proportion equation
99,350.58 : 149,092.80 = 37,021.08 : x - Step 2: Convert to fraction form
99,350.58/149,092.80 = 37,021.08/x - Step 3: Cross multiply
99,350.58x = 149,092.80 × 37,021.08 - Step 4: Simplify right side
99,350.58x = 5,519,576,476.22 - Step 5: Solve for x
x = 5,519,576,476.22/99,350.58 - Step 6: Final answer
x = 55,556.56
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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.