Finding the Fourth Proportional to 75,993.24, 104,876.28 and 43,737.60
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Solution
The fourth proportional to 75,993.24, 104,876.28 and 43,737.60 is: 60,361.12
Step by Step Solution
- Step 1: Write the proportion equation
75,993.24 : 104,876.28 = 43,737.60 : x - Step 2: Convert to fraction form
75,993.24/104,876.28 = 43,737.60/x - Step 3: Cross multiply
75,993.24x = 104,876.28 × 43,737.60 - Step 4: Simplify right side
75,993.24x = 4,587,036,784.13 - Step 5: Solve for x
x = 4,587,036,784.13/75,993.24 - Step 6: Final answer
x = 60,361.12
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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.