Finding the Fourth Proportional to 89,085.49, 133,629.68 and 29,921.67
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Solution
The fourth proportional to 89,085.49, 133,629.68 and 29,921.67 is: 44,882.99
Step by Step Solution
- Step 1: Write the proportion equation
89,085.49 : 133,629.68 = 29,921.67 : x - Step 2: Convert to fraction form
89,085.49/133,629.68 = 29,921.67/x - Step 3: Cross multiply
89,085.49x = 133,629.68 × 29,921.67 - Step 4: Simplify right side
89,085.49x = 3,998,423,261.97 - Step 5: Solve for x
x = 3,998,423,261.97/89,085.49 - Step 6: Final answer
x = 44,882.99
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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.