Finding the Fourth Proportional to 85,168.97, 117,507.17 and 49,352.06
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Solution
The fourth proportional to 85,168.97, 117,507.17 and 49,352.06 is: 68,090.77
Step by Step Solution
- Step 1: Write the proportion equation
85,168.97 : 117,507.17 = 49,352.06 : x - Step 2: Convert to fraction form
85,168.97/117,507.17 = 49,352.06/x - Step 3: Cross multiply
85,168.97x = 117,507.17 × 49,352.06 - Step 4: Simplify right side
85,168.97x = 5,799,220,951.28 - Step 5: Solve for x
x = 5,799,220,951.28/85,168.97 - Step 6: Final answer
x = 68,090.77
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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.