Finding the Fourth Proportional to 98,974.32, 136,567.26 and 58,697.99
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Solution
The fourth proportional to 98,974.32, 136,567.26 and 58,697.99 is: 80,992.96
Step by Step Solution
- Step 1: Write the proportion equation
98,974.32 : 136,567.26 = 58,697.99 : x - Step 2: Convert to fraction form
98,974.32/136,567.26 = 58,697.99/x - Step 3: Cross multiply
98,974.32x = 136,567.26 × 58,697.99 - Step 4: Simplify right side
98,974.32x = 8,016,222,978.97 - Step 5: Solve for x
x = 8,016,222,978.97/98,974.32 - Step 6: Final answer
x = 80,992.96
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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.