Finding the Fourth Proportional to 124,733.75, 187,097.97 and 40,493.79
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Solution
The fourth proportional to 124,733.75, 187,097.97 and 40,493.79 is: 60,739.82
Step by Step Solution
- Step 1: Write the proportion equation
124,733.75 : 187,097.97 = 40,493.79 : x - Step 2: Convert to fraction form
124,733.75/187,097.97 = 40,493.79/x - Step 3: Cross multiply
124,733.75x = 187,097.97 × 40,493.79 - Step 4: Simplify right side
124,733.75x = 7,576,305,906.61 - Step 5: Solve for x
x = 7,576,305,906.61/124,733.75 - Step 6: Final answer
x = 60,739.82
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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.