Finding the Fourth Proportional to 83,733.12, 125,618.04 and 27,570.96
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Solution
The fourth proportional to 83,733.12, 125,618.04 and 27,570.96 is: 41,362.49
Step by Step Solution
- Step 1: Write the proportion equation
83,733.12 : 125,618.04 = 27,570.96 : x - Step 2: Convert to fraction form
83,733.12/125,618.04 = 27,570.96/x - Step 3: Cross multiply
83,733.12x = 125,618.04 × 27,570.96 - Step 4: Simplify right side
83,733.12x = 3,463,409,956.12 - Step 5: Solve for x
x = 3,463,409,956.12/83,733.12 - Step 6: Final answer
x = 41,362.49
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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.