Finding the Fourth Proportional to 79,966.74, 119,910.02 and 26,639.99
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Solution
The fourth proportional to 79,966.74, 119,910.02 and 26,639.99 is: 39,946.62
Step by Step Solution
- Step 1: Write the proportion equation
79,966.74 : 119,910.02 = 26,639.99 : x - Step 2: Convert to fraction form
79,966.74/119,910.02 = 26,639.99/x - Step 3: Cross multiply
79,966.74x = 119,910.02 × 26,639.99 - Step 4: Simplify right side
79,966.74x = 3,194,401,000.95 - Step 5: Solve for x
x = 3,194,401,000.95/79,966.74 - Step 6: Final answer
x = 39,946.62
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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.