Finding the Fourth Proportional to 75,301.38, 103,915.97 and 41,767.38
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Solution
The fourth proportional to 75,301.38, 103,915.97 and 41,767.38 is: 57,639.02
Step by Step Solution
- Step 1: Write the proportion equation
75,301.38 : 103,915.97 = 41,767.38 : x - Step 2: Convert to fraction form
75,301.38/103,915.97 = 41,767.38/x - Step 3: Cross multiply
75,301.38x = 103,915.97 × 41,767.38 - Step 4: Simplify right side
75,301.38x = 4,340,297,807.06 - Step 5: Solve for x
x = 4,340,297,807.06/75,301.38 - Step 6: Final answer
x = 57,639.02
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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.