Finding the Fourth Proportional to 89,028.00, 122,858.99 and 48,745.50
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Solution
The fourth proportional to 89,028.00, 122,858.99 and 48,745.50 is: 67,268.99
Step by Step Solution
- Step 1: Write the proportion equation
89,028.00 : 122,858.99 = 48,745.50 : x - Step 2: Convert to fraction form
89,028.00/122,858.99 = 48,745.50/x - Step 3: Cross multiply
89,028.00x = 122,858.99 × 48,745.50 - Step 4: Simplify right side
89,028.00x = 5,988,822,897.05 - Step 5: Solve for x
x = 5,988,822,897.05/89,028.00 - Step 6: Final answer
x = 67,268.99
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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.