Finding the Fourth Proportional to 91,171.91, 136,757.90 and 24,611.99
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Solution
The fourth proportional to 91,171.91, 136,757.90 and 24,611.99 is: 36,917.99
Step by Step Solution
- Step 1: Write the proportion equation
91,171.91 : 136,757.90 = 24,611.99 : x - Step 2: Convert to fraction form
91,171.91/136,757.90 = 24,611.99/x - Step 3: Cross multiply
91,171.91x = 136,757.90 × 24,611.99 - Step 4: Simplify right side
91,171.91x = 3,365,883,444.96 - Step 5: Solve for x
x = 3,365,883,444.96/91,171.91 - Step 6: Final answer
x = 36,917.99
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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.