Finding the Fourth Proportional to 81,646.26, 122,425.65 and 37,249.08
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Solution
The fourth proportional to 81,646.26, 122,425.65 and 37,249.08 is: 55,853.66
Step by Step Solution
- Step 1: Write the proportion equation
81,646.26 : 122,425.65 = 37,249.08 : x - Step 2: Convert to fraction form
81,646.26/122,425.65 = 37,249.08/x - Step 3: Cross multiply
81,646.26x = 122,425.65 × 37,249.08 - Step 4: Simplify right side
81,646.26x = 4,560,242,830.90 - Step 5: Solve for x
x = 4,560,242,830.90/81,646.26 - Step 6: Final answer
x = 55,853.66
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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.