Finding the Fourth Proportional to 75,874.97, 104,713.26 and 41,890.01
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Solution
The fourth proportional to 75,874.97, 104,713.26 and 41,890.01 is: 57,811.42
Step by Step Solution
- Step 1: Write the proportion equation
75,874.97 : 104,713.26 = 41,890.01 : x - Step 2: Convert to fraction form
75,874.97/104,713.26 = 41,890.01/x - Step 3: Cross multiply
75,874.97x = 104,713.26 × 41,890.01 - Step 4: Simplify right side
75,874.97x = 4,386,439,508.53 - Step 5: Solve for x
x = 4,386,439,508.53/75,874.97 - Step 6: Final answer
x = 57,811.42
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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.