Finding the Fourth Proportional to 75,127.10, 103,672.18 and 41,134.97
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Solution
The fourth proportional to 75,127.10, 103,672.18 and 41,134.97 is: 56,764.50
Step by Step Solution
- Step 1: Write the proportion equation
75,127.10 : 103,672.18 = 41,134.97 : x - Step 2: Convert to fraction form
75,127.10/103,672.18 = 41,134.97/x - Step 3: Cross multiply
75,127.10x = 103,672.18 × 41,134.97 - Step 4: Simplify right side
75,127.10x = 4,264,552,014.13 - Step 5: Solve for x
x = 4,264,552,014.13/75,127.10 - Step 6: Final answer
x = 56,764.50
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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.