Finding the Fourth Proportional to 83,983.97, 126,022.28 and 46,539.09
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Solution
The fourth proportional to 83,983.97, 126,022.28 and 46,539.09 is: 69,834.30
Step by Step Solution
- Step 1: Write the proportion equation
83,983.97 : 126,022.28 = 46,539.09 : x - Step 2: Convert to fraction form
83,983.97/126,022.28 = 46,539.09/x - Step 3: Cross multiply
83,983.97x = 126,022.28 × 46,539.09 - Step 4: Simplify right side
83,983.97x = 5,864,961,998.23 - Step 5: Solve for x
x = 5,864,961,998.23/83,983.97 - Step 6: Final answer
x = 69,834.30
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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.