Finding the Fourth Proportional to 75,649.23, 104,395.50 and 43,817.49
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Solution
The fourth proportional to 75,649.23, 104,395.50 and 43,817.49 is: 60,467.88
Step by Step Solution
- Step 1: Write the proportion equation
75,649.23 : 104,395.50 = 43,817.49 : x - Step 2: Convert to fraction form
75,649.23/104,395.50 = 43,817.49/x - Step 3: Cross multiply
75,649.23x = 104,395.50 × 43,817.49 - Step 4: Simplify right side
75,649.23x = 4,574,348,777.30 - Step 5: Solve for x
x = 4,574,348,777.30/75,649.23 - Step 6: Final answer
x = 60,467.88
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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.