Finding the Fourth Proportional to 107,893.95, 161,860.38 and 33,012.69
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Solution
The fourth proportional to 107,893.95, 161,860.38 and 33,012.69 is: 49,524.99
Step by Step Solution
- Step 1: Write the proportion equation
107,893.95 : 161,860.38 = 33,012.69 : x - Step 2: Convert to fraction form
107,893.95/161,860.38 = 33,012.69/x - Step 3: Cross multiply
107,893.95x = 161,860.38 × 33,012.69 - Step 4: Simplify right side
107,893.95x = 5,343,446,548.22 - Step 5: Solve for x
x = 5,343,446,548.22/107,893.95 - Step 6: Final answer
x = 49,524.99
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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.