Finding the Fourth Proportional to 79,621.47, 119,450.66 and 27,030.95
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Solution
The fourth proportional to 79,621.47, 119,450.66 and 27,030.95 is: 40,552.69
Step by Step Solution
- Step 1: Write the proportion equation
79,621.47 : 119,450.66 = 27,030.95 : x - Step 2: Convert to fraction form
79,621.47/119,450.66 = 27,030.95/x - Step 3: Cross multiply
79,621.47x = 119,450.66 × 27,030.95 - Step 4: Simplify right side
79,621.47x = 3,228,865,048.98 - Step 5: Solve for x
x = 3,228,865,048.98/79,621.47 - Step 6: Final answer
x = 40,552.69
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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.