Finding the Fourth Proportional to 83,918.10, 125,895.67 and 27,775.70
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Solution
The fourth proportional to 83,918.10, 125,895.67 and 27,775.70 is: 41,669.68
Step by Step Solution
- Step 1: Write the proportion equation
83,918.10 : 125,895.67 = 27,775.70 : x - Step 2: Convert to fraction form
83,918.10/125,895.67 = 27,775.70/x - Step 3: Cross multiply
83,918.10x = 125,895.67 × 27,775.70 - Step 4: Simplify right side
83,918.10x = 3,496,840,361.22 - Step 5: Solve for x
x = 3,496,840,361.22/83,918.10 - Step 6: Final answer
x = 41,669.68
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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.