Finding the Fourth Proportional to 125,945.68, 173,791.80 and 71,480.53
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Solution
The fourth proportional to 125,945.68, 173,791.80 and 71,480.53 is: 98,635.62
Step by Step Solution
- Step 1: Write the proportion equation
125,945.68 : 173,791.80 = 71,480.53 : x - Step 2: Convert to fraction form
125,945.68/173,791.80 = 71,480.53/x - Step 3: Cross multiply
125,945.68x = 173,791.80 × 71,480.53 - Step 4: Simplify right side
125,945.68x = 12,422,729,973.65 - Step 5: Solve for x
x = 12,422,729,973.65/125,945.68 - Step 6: Final answer
x = 98,635.62
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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.