Finding the Fourth Proportional to 75,163.05, 103,675.17 and 48,339.49
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Solution
The fourth proportional to 75,163.05, 103,675.17 and 48,339.49 is: 66,676.44
Step by Step Solution
- Step 1: Write the proportion equation
75,163.05 : 103,675.17 = 48,339.49 : x - Step 2: Convert to fraction form
75,163.05/103,675.17 = 48,339.49/x - Step 3: Cross multiply
75,163.05x = 103,675.17 × 48,339.49 - Step 4: Simplify right side
75,163.05x = 5,011,604,843.46 - Step 5: Solve for x
x = 5,011,604,843.46/75,163.05 - Step 6: Final answer
x = 66,676.44
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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.