Finding the Fourth Proportional to 86,133.97, 118,850.43 and 47,892.43
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Solution
The fourth proportional to 86,133.97, 118,850.43 and 47,892.43 is: 66,083.52
Step by Step Solution
- Step 1: Write the proportion equation
86,133.97 : 118,850.43 = 47,892.43 : x - Step 2: Convert to fraction form
86,133.97/118,850.43 = 47,892.43/x - Step 3: Cross multiply
86,133.97x = 118,850.43 × 47,892.43 - Step 4: Simplify right side
86,133.97x = 5,692,035,899.24 - Step 5: Solve for x
x = 5,692,035,899.24/86,133.97 - Step 6: Final answer
x = 66,083.52
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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.