Finding the Fourth Proportional to 75,649.21, 104,393.62 and 41,657.77
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Solution
The fourth proportional to 75,649.21, 104,393.62 and 41,657.77 is: 57,486.46
Step by Step Solution
- Step 1: Write the proportion equation
75,649.21 : 104,393.62 = 41,657.77 : x - Step 2: Convert to fraction form
75,649.21/104,393.62 = 41,657.77/x - Step 3: Cross multiply
75,649.21x = 104,393.62 × 41,657.77 - Step 4: Simplify right side
75,649.21x = 4,348,805,411.43 - Step 5: Solve for x
x = 4,348,805,411.43/75,649.21 - Step 6: Final answer
x = 57,486.46
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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.