Finding the Fourth Proportional to 79,966.20, 119,990.84 and 32,616.03
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Solution
The fourth proportional to 79,966.20, 119,990.84 and 32,616.03 is: 48,940.99
Step by Step Solution
- Step 1: Write the proportion equation
79,966.20 : 119,990.84 = 32,616.03 : x - Step 2: Convert to fraction form
79,966.20/119,990.84 = 32,616.03/x - Step 3: Cross multiply
79,966.20x = 119,990.84 × 32,616.03 - Step 4: Simplify right side
79,966.20x = 3,913,625,124.05 - Step 5: Solve for x
x = 3,913,625,124.05/79,966.20 - Step 6: Final answer
x = 48,940.99
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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.