Finding the Fourth Proportional to 75,172.29, 103,737.77 and 41,181.99
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Solution
The fourth proportional to 75,172.29, 103,737.77 and 41,181.99 is: 56,831.15
Step by Step Solution
- Step 1: Write the proportion equation
75,172.29 : 103,737.77 = 41,181.99 : x - Step 2: Convert to fraction form
75,172.29/103,737.77 = 41,181.99/x - Step 3: Cross multiply
75,172.29x = 103,737.77 × 41,181.99 - Step 4: Simplify right side
75,172.29x = 4,272,127,600.85 - Step 5: Solve for x
x = 4,272,127,600.85/75,172.29 - Step 6: Final answer
x = 56,831.15
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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.