Finding the Fourth Proportional to 75,790.91, 104,592.29 and 41,800.84
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Solution
The fourth proportional to 75,790.91, 104,592.29 and 41,800.84 is: 57,685.61
Step by Step Solution
- Step 1: Write the proportion equation
75,790.91 : 104,592.29 = 41,800.84 : x - Step 2: Convert to fraction form
75,790.91/104,592.29 = 41,800.84/x - Step 3: Cross multiply
75,790.91x = 104,592.29 × 41,800.84 - Step 4: Simplify right side
75,790.91x = 4,372,045,109.04 - Step 5: Solve for x
x = 4,372,045,109.04/75,790.91 - Step 6: Final answer
x = 57,685.61
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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.