Finding the Fourth Proportional to 77,231.08, 115,855.74 and 24,622.12
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Solution
The fourth proportional to 77,231.08, 115,855.74 and 24,622.12 is: 36,936.09
Step by Step Solution
- Step 1: Write the proportion equation
77,231.08 : 115,855.74 = 24,622.12 : x - Step 2: Convert to fraction form
77,231.08/115,855.74 = 24,622.12/x - Step 3: Cross multiply
77,231.08x = 115,855.74 × 24,622.12 - Step 4: Simplify right side
77,231.08x = 2,852,613,932.97 - Step 5: Solve for x
x = 2,852,613,932.97/77,231.08 - Step 6: Final answer
x = 36,936.09
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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.