Finding the Fourth Proportional to 75,096.33, 103,632.64 and 40,640.99
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Solution
The fourth proportional to 75,096.33, 103,632.64 and 40,640.99 is: 56,084.40
Step by Step Solution
- Step 1: Write the proportion equation
75,096.33 : 103,632.64 = 40,640.99 : x - Step 2: Convert to fraction form
75,096.33/103,632.64 = 40,640.99/x - Step 3: Cross multiply
75,096.33x = 103,632.64 × 40,640.99 - Step 4: Simplify right side
75,096.33x = 4,211,732,466.15 - Step 5: Solve for x
x = 4,211,732,466.15/75,096.33 - Step 6: Final answer
x = 56,084.40
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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.