Finding the Fourth Proportional to 89,043.36, 133,564.68 and 36,452.76
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Solution
The fourth proportional to 89,043.36, 133,564.68 and 36,452.76 is: 54,678.99
Step by Step Solution
- Step 1: Write the proportion equation
89,043.36 : 133,564.68 = 36,452.76 : x - Step 2: Convert to fraction form
89,043.36/133,564.68 = 36,452.76/x - Step 3: Cross multiply
89,043.36x = 133,564.68 × 36,452.76 - Step 4: Simplify right side
89,043.36x = 4,868,801,224.52 - Step 5: Solve for x
x = 4,868,801,224.52/89,043.36 - Step 6: Final answer
x = 54,678.99
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1.5x scale
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.