Finding the Fourth Proportional to 75,207.29, 103,822.97 and 58,172.99
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Solution
The fourth proportional to 75,207.29, 103,822.97 and 58,172.99 is: 80,307.27
Step by Step Solution
- Step 1: Write the proportion equation
75,207.29 : 103,822.97 = 58,172.99 : x - Step 2: Convert to fraction form
75,207.29/103,822.97 = 58,172.99/x - Step 3: Cross multiply
75,207.29x = 103,822.97 × 58,172.99 - Step 4: Simplify right side
75,207.29x = 6,039,691,785.60 - Step 5: Solve for x
x = 6,039,691,785.60/75,207.29 - Step 6: Final answer
x = 80,307.27
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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.