Finding the Fourth Proportional to 86,504.10, 129,709.90 and 44,366.99
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Solution
The fourth proportional to 86,504.10, 129,709.90 and 44,366.99 is: 66,526.76
Step by Step Solution
- Step 1: Write the proportion equation
86,504.10 : 129,709.90 = 44,366.99 : x - Step 2: Convert to fraction form
86,504.10/129,709.90 = 44,366.99/x - Step 3: Cross multiply
86,504.10x = 129,709.90 × 44,366.99 - Step 4: Simplify right side
86,504.10x = 5,754,836,965.82 - Step 5: Solve for x
x = 5,754,836,965.82/86,504.10 - Step 6: Final answer
x = 66,526.76
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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.