Finding the Fourth Proportional to 75,896.75, 113,850.63 and 29,149.63
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Solution
The fourth proportional to 75,896.75, 113,850.63 and 29,149.63 is: 43,726.55
Step by Step Solution
- Step 1: Write the proportion equation
75,896.75 : 113,850.63 = 29,149.63 : x - Step 2: Convert to fraction form
75,896.75/113,850.63 = 29,149.63/x - Step 3: Cross multiply
75,896.75x = 113,850.63 × 29,149.63 - Step 4: Simplify right side
75,896.75x = 3,318,703,455.14 - Step 5: Solve for x
x = 3,318,703,455.14/75,896.75 - Step 6: Final answer
x = 43,726.55
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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.