Finding the Fourth Proportional to 71,914.36, 107,887.13 and 27,541.12
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Solution
The fourth proportional to 71,914.36, 107,887.13 and 27,541.12 is: 41,317.65
Step by Step Solution
- Step 1: Write the proportion equation
71,914.36 : 107,887.13 = 27,541.12 : x - Step 2: Convert to fraction form
71,914.36/107,887.13 = 27,541.12/x - Step 3: Cross multiply
71,914.36x = 107,887.13 × 27,541.12 - Step 4: Simplify right side
71,914.36x = 2,971,332,393.79 - Step 5: Solve for x
x = 2,971,332,393.79/71,914.36 - Step 6: Final answer
x = 41,317.65
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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.