Finding the Fourth Proportional to 75,896.82, 113,850.69 and 29,149.70
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Solution
The fourth proportional to 75,896.82, 113,850.69 and 29,149.70 is: 43,726.64
Step by Step Solution
- Step 1: Write the proportion equation
75,896.82 : 113,850.69 = 29,149.70 : x - Step 2: Convert to fraction form
75,896.82/113,850.69 = 29,149.70/x - Step 3: Cross multiply
75,896.82x = 113,850.69 × 29,149.70 - Step 4: Simplify right side
75,896.82x = 3,318,712,889.04 - Step 5: Solve for x
x = 3,318,712,889.04/75,896.82 - Step 6: Final answer
x = 43,726.64
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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.