Finding the Fourth Proportional to 75,649.75, 104,361.62 and 48,800.92
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Solution
The fourth proportional to 75,649.75, 104,361.62 and 48,800.92 is: 67,322.67
Step by Step Solution
- Step 1: Write the proportion equation
75,649.75 : 104,361.62 = 48,800.92 : x - Step 2: Convert to fraction form
75,649.75/104,361.62 = 48,800.92/x - Step 3: Cross multiply
75,649.75x = 104,361.62 × 48,800.92 - Step 4: Simplify right side
75,649.75x = 5,092,942,929.79 - Step 5: Solve for x
x = 5,092,942,929.79/75,649.75 - Step 6: Final answer
x = 67,322.67
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1.5x scale
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.