Finding the Fourth Proportional to 75,465.23, 104,136.95 and 41,472.97
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Solution
The fourth proportional to 75,465.23, 104,136.95 and 41,472.97 is: 57,229.92
Step by Step Solution
- Step 1: Write the proportion equation
75,465.23 : 104,136.95 = 41,472.97 : x - Step 2: Convert to fraction form
75,465.23/104,136.95 = 41,472.97/x - Step 3: Cross multiply
75,465.23x = 104,136.95 × 41,472.97 - Step 4: Simplify right side
75,465.23x = 4,318,868,446.58 - Step 5: Solve for x
x = 4,318,868,446.58/75,465.23 - Step 6: Final answer
x = 57,229.92
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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.