Finding the Fourth Proportional to 89,268.97, 133,938.30 and 39,313.96
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Solution
The fourth proportional to 89,268.97, 133,938.30 and 39,313.96 is: 58,986.28
Step by Step Solution
- Step 1: Write the proportion equation
89,268.97 : 133,938.30 = 39,313.96 : x - Step 2: Convert to fraction form
89,268.97/133,938.30 = 39,313.96/x - Step 3: Cross multiply
89,268.97x = 133,938.30 × 39,313.96 - Step 4: Simplify right side
89,268.97x = 5,265,644,633.82 - Step 5: Solve for x
x = 5,265,644,633.82/89,268.97 - Step 6: Final answer
x = 58,986.28
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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.