Finding the Fourth Proportional to 75,642.10, 104,385.26 and 41,649.90
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Solution
The fourth proportional to 75,642.10, 104,385.26 and 41,649.90 is: 57,476.39
Step by Step Solution
- Step 1: Write the proportion equation
75,642.10 : 104,385.26 = 41,649.90 : x - Step 2: Convert to fraction form
75,642.10/104,385.26 = 41,649.90/x - Step 3: Cross multiply
75,642.10x = 104,385.26 × 41,649.90 - Step 4: Simplify right side
75,642.10x = 4,347,635,118.87 - Step 5: Solve for x
x = 4,347,635,118.87/75,642.10 - Step 6: Final answer
x = 57,476.39
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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.