Finding the Fourth Proportional to 77,608.41, 116,375.76 and 35,475.99
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Solution
The fourth proportional to 77,608.41, 116,375.76 and 35,475.99 is: 53,197.14
Step by Step Solution
- Step 1: Write the proportion equation
77,608.41 : 116,375.76 = 35,475.99 : x - Step 2: Convert to fraction form
77,608.41/116,375.76 = 35,475.99/x - Step 3: Cross multiply
77,608.41x = 116,375.76 × 35,475.99 - Step 4: Simplify right side
77,608.41x = 4,128,545,298.00 - Step 5: Solve for x
x = 4,128,545,298.00/77,608.41 - Step 6: Final answer
x = 53,197.14
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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.