Finding the Fourth Proportional to 91,294.12, 136,847.22 and 44,489.08
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Solution
The fourth proportional to 91,294.12, 136,847.22 and 44,489.08 is: 66,687.83
Step by Step Solution
- Step 1: Write the proportion equation
91,294.12 : 136,847.22 = 44,489.08 : x - Step 2: Convert to fraction form
91,294.12/136,847.22 = 44,489.08/x - Step 3: Cross multiply
91,294.12x = 136,847.22 × 44,489.08 - Step 4: Simplify right side
91,294.12x = 6,088,206,918.36 - Step 5: Solve for x
x = 6,088,206,918.36/91,294.12 - Step 6: Final answer
x = 66,687.83
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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.