Finding the Fourth Proportional to 83,942.17, 115,836.69 and 46,213.99
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Solution
The fourth proportional to 83,942.17, 115,836.69 and 46,213.99 is: 63,773.38
Step by Step Solution
- Step 1: Write the proportion equation
83,942.17 : 115,836.69 = 46,213.99 : x - Step 2: Convert to fraction form
83,942.17/115,836.69 = 46,213.99/x - Step 3: Cross multiply
83,942.17x = 115,836.69 × 46,213.99 - Step 4: Simplify right side
83,942.17x = 5,353,275,633.29 - Step 5: Solve for x
x = 5,353,275,633.29/83,942.17 - Step 6: Final answer
x = 63,773.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.