Finding the Fourth Proportional to 98,794.26, 136,335.08 and 53,471.32
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Solution
The fourth proportional to 98,794.26, 136,335.08 and 53,471.32 is: 73,789.88
Step by Step Solution
- Step 1: Write the proportion equation
98,794.26 : 136,335.08 = 53,471.32 : x - Step 2: Convert to fraction form
98,794.26/136,335.08 = 53,471.32/x - Step 3: Cross multiply
98,794.26x = 136,335.08 × 53,471.32 - Step 4: Simplify right side
98,794.26x = 7,290,016,689.91 - Step 5: Solve for x
x = 7,290,016,689.91/98,794.26 - Step 6: Final answer
x = 73,789.88
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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.