Finding the Fourth Proportional to 88,933.68, 133,418.76 and 29,769.84
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Solution
The fourth proportional to 88,933.68, 133,418.76 and 29,769.84 is: 44,660.87
Step by Step Solution
- Step 1: Write the proportion equation
88,933.68 : 133,418.76 = 29,769.84 : x - Step 2: Convert to fraction form
88,933.68/133,418.76 = 29,769.84/x - Step 3: Cross multiply
88,933.68x = 133,418.76 × 29,769.84 - Step 4: Simplify right side
88,933.68x = 3,971,855,138.20 - Step 5: Solve for x
x = 3,971,855,138.20/88,933.68 - Step 6: Final answer
x = 44,660.87
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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.