Finding the Fourth Proportional to 75,174.18, 103,740.50 and 41,181.92
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Solution
The fourth proportional to 75,174.18, 103,740.50 and 41,181.92 is: 56,831.12
Step by Step Solution
- Step 1: Write the proportion equation
75,174.18 : 103,740.50 = 41,181.92 : x - Step 2: Convert to fraction form
75,174.18/103,740.50 = 41,181.92/x - Step 3: Cross multiply
75,174.18x = 103,740.50 × 41,181.92 - Step 4: Simplify right side
75,174.18x = 4,272,233,025.20 - Step 5: Solve for x
x = 4,272,233,025.20/75,174.18 - Step 6: Final answer
x = 56,831.12
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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.