Finding the Fourth Proportional to 75,432.11, 113,194.88 and 43,857.02
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Solution
The fourth proportional to 75,432.11, 113,194.88 and 43,857.02 is: 65,812.69
Step by Step Solution
- Step 1: Write the proportion equation
75,432.11 : 113,194.88 = 43,857.02 : x - Step 2: Convert to fraction form
75,432.11/113,194.88 = 43,857.02/x - Step 3: Cross multiply
75,432.11x = 113,194.88 × 43,857.02 - Step 4: Simplify right side
75,432.11x = 4,964,390,116.06 - Step 5: Solve for x
x = 4,964,390,116.06/75,432.11 - Step 6: Final answer
x = 65,812.69
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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.