Finding the Fourth Proportional to 75,470.59, 104,142.63 and 41,478.70
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Solution
The fourth proportional to 75,470.59, 104,142.63 and 41,478.70 is: 57,236.88
Step by Step Solution
- Step 1: Write the proportion equation
75,470.59 : 104,142.63 = 41,478.70 : x - Step 2: Convert to fraction form
75,470.59/104,142.63 = 41,478.70/x - Step 3: Cross multiply
75,470.59x = 104,142.63 × 41,478.70 - Step 4: Simplify right side
75,470.59x = 4,319,700,906.98 - Step 5: Solve for x
x = 4,319,700,906.98/75,470.59 - Step 6: Final answer
x = 57,236.88
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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.