Finding the Fourth Proportional to 75,984.30, 113,906.79 and 29,201.94
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Solution
The fourth proportional to 75,984.30, 113,906.79 and 29,201.94 is: 43,776.14
Step by Step Solution
- Step 1: Write the proportion equation
75,984.30 : 113,906.79 = 29,201.94 : x - Step 2: Convert to fraction form
75,984.30/113,906.79 = 29,201.94/x - Step 3: Cross multiply
75,984.30x = 113,906.79 × 29,201.94 - Step 4: Simplify right side
75,984.30x = 3,326,299,247.17 - Step 5: Solve for x
x = 3,326,299,247.17/75,984.30 - Step 6: Final answer
x = 43,776.14
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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.