Finding the Fourth Proportional to 75,244.67, 112,877.94 and 40,165.19
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Solution
The fourth proportional to 75,244.67, 112,877.94 and 40,165.19 is: 60,253.62
Step by Step Solution
- Step 1: Write the proportion equation
75,244.67 : 112,877.94 = 40,165.19 : x - Step 2: Convert to fraction form
75,244.67/112,877.94 = 40,165.19/x - Step 3: Cross multiply
75,244.67x = 112,877.94 × 40,165.19 - Step 4: Simplify right side
75,244.67x = 4,533,763,906.91 - Step 5: Solve for x
x = 4,533,763,906.91/75,244.67 - Step 6: Final answer
x = 60,253.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.