Finding the Fourth Proportional to 66,658.08, 91,988.08 and 36,850.08
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Solution
The fourth proportional to 66,658.08, 91,988.08 and 36,850.08 is: 50,853.07
Step by Step Solution
- Step 1: Write the proportion equation
66,658.08 : 91,988.08 = 36,850.08 : x - Step 2: Convert to fraction form
66,658.08/91,988.08 = 36,850.08/x - Step 3: Cross multiply
66,658.08x = 91,988.08 × 36,850.08 - Step 4: Simplify right side
66,658.08x = 3,389,768,107.05 - Step 5: Solve for x
x = 3,389,768,107.05/66,658.08 - Step 6: Final answer
x = 50,853.07
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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.