Finding the Fourth Proportional to 83,840.40, 125,733.87 and 27,670.08
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Solution
The fourth proportional to 83,840.40, 125,733.87 and 27,670.08 is: 41,496.30
Step by Step Solution
- Step 1: Write the proportion equation
83,840.40 : 125,733.87 = 27,670.08 : x - Step 2: Convert to fraction form
83,840.40/125,733.87 = 27,670.08/x - Step 3: Cross multiply
83,840.40x = 125,733.87 × 27,670.08 - Step 4: Simplify right side
83,840.40x = 3,479,066,241.61 - Step 5: Solve for x
x = 3,479,066,241.61/83,840.40 - Step 6: Final answer
x = 41,496.30
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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.