Finding the Fourth Proportional to 75,465.13, 104,136.83 and 41,472.88
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Solution
The fourth proportional to 75,465.13, 104,136.83 and 41,472.88 is: 57,229.80
Step by Step Solution
- Step 1: Write the proportion equation
75,465.13 : 104,136.83 = 41,472.88 : x - Step 2: Convert to fraction form
75,465.13/104,136.83 = 41,472.88/x - Step 3: Cross multiply
75,465.13x = 104,136.83 × 41,472.88 - Step 4: Simplify right side
75,465.13x = 4,318,854,527.76 - Step 5: Solve for x
x = 4,318,854,527.76/75,465.13 - Step 6: Final answer
x = 57,229.80
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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.