Finding the Fourth Proportional to 86,481.07, 119,343.68 and 48,755.05
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Solution
The fourth proportional to 86,481.07, 119,343.68 and 48,755.05 is: 67,281.86
Step by Step Solution
- Step 1: Write the proportion equation
86,481.07 : 119,343.68 = 48,755.05 : x - Step 2: Convert to fraction form
86,481.07/119,343.68 = 48,755.05/x - Step 3: Cross multiply
86,481.07x = 119,343.68 × 48,755.05 - Step 4: Simplify right side
86,481.07x = 5,818,606,726.28 - Step 5: Solve for x
x = 5,818,606,726.28/86,481.07 - Step 6: Final answer
x = 67,281.86
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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.