Finding the Fourth Proportional to 98,761.24, 136,268.76 and 58,454.92
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Solution
The fourth proportional to 98,761.24, 136,268.76 and 58,454.92 is: 80,654.92
Step by Step Solution
- Step 1: Write the proportion equation
98,761.24 : 136,268.76 = 58,454.92 : x - Step 2: Convert to fraction form
98,761.24/136,268.76 = 58,454.92/x - Step 3: Cross multiply
98,761.24x = 136,268.76 × 58,454.92 - Step 4: Simplify right side
98,761.24x = 7,965,579,464.30 - Step 5: Solve for x
x = 7,965,579,464.30/98,761.24 - Step 6: Final answer
x = 80,654.92
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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.