Finding the Fourth Proportional to 75,826.55, 104,674.19 and 48,982.14
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Solution
The fourth proportional to 75,826.55, 104,674.19 and 48,982.14 is: 67,617.03
Step by Step Solution
- Step 1: Write the proportion equation
75,826.55 : 104,674.19 = 48,982.14 : x - Step 2: Convert to fraction form
75,826.55/104,674.19 = 48,982.14/x - Step 3: Cross multiply
75,826.55x = 104,674.19 × 48,982.14 - Step 4: Simplify right side
75,826.55x = 5,127,165,584.06 - Step 5: Solve for x
x = 5,127,165,584.06/75,826.55 - Step 6: Final answer
x = 67,617.03
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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.