Finding the Fourth Proportional to 77,793.75, 107,349.00 and 43,791.37
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Solution
The fourth proportional to 77,793.75, 107,349.00 and 43,791.37 is: 60,428.50
Step by Step Solution
- Step 1: Write the proportion equation
77,793.75 : 107,349.00 = 43,791.37 : x - Step 2: Convert to fraction form
77,793.75/107,349.00 = 43,791.37/x - Step 3: Cross multiply
77,793.75x = 107,349.00 × 43,791.37 - Step 4: Simplify right side
77,793.75x = 4,700,959,345.54 - Step 5: Solve for x
x = 4,700,959,345.54/77,793.75 - Step 6: Final answer
x = 60,428.50
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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.