Finding the Fourth Proportional to 107,694.05, 161,541.11 and 48,460.52
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Solution
The fourth proportional to 107,694.05, 161,541.11 and 48,460.52 is: 72,690.80
Step by Step Solution
- Step 1: Write the proportion equation
107,694.05 : 161,541.11 = 48,460.52 : x - Step 2: Convert to fraction form
107,694.05/161,541.11 = 48,460.52/x - Step 3: Cross multiply
107,694.05x = 161,541.11 × 48,460.52 - Step 4: Simplify right side
107,694.05x = 7,828,366,716.98 - Step 5: Solve for x
x = 7,828,366,716.98/107,694.05 - Step 6: Final answer
x = 72,690.80
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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.