Finding the Fourth Proportional to 99,850.68, 137,794.26 and 54,529.08
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Solution
The fourth proportional to 99,850.68, 137,794.26 and 54,529.08 is: 75,250.31
Step by Step Solution
- Step 1: Write the proportion equation
99,850.68 : 137,794.26 = 54,529.08 : x - Step 2: Convert to fraction form
99,850.68/137,794.26 = 54,529.08/x - Step 3: Cross multiply
99,850.68x = 137,794.26 × 54,529.08 - Step 4: Simplify right side
99,850.68x = 7,513,794,227.08 - Step 5: Solve for x
x = 7,513,794,227.08/99,850.68 - Step 6: Final answer
x = 75,250.31
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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.