Finding the Fourth Proportional to 91,097.68, 125,715.23 and 50,261.80
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Solution
The fourth proportional to 91,097.68, 125,715.23 and 50,261.80 is: 69,361.52
Step by Step Solution
- Step 1: Write the proportion equation
91,097.68 : 125,715.23 = 50,261.80 : x - Step 2: Convert to fraction form
91,097.68/125,715.23 = 50,261.80/x - Step 3: Cross multiply
91,097.68x = 125,715.23 × 50,261.80 - Step 4: Simplify right side
91,097.68x = 6,318,673,747.21 - Step 5: Solve for x
x = 6,318,673,747.21/91,097.68 - Step 6: Final answer
x = 69,361.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.