Finding the Fourth Proportional to 95,676.24, 143,442.87 and 66,009.42
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Solution
The fourth proportional to 95,676.24, 143,442.87 and 66,009.42 is: 98,964.81
Step by Step Solution
- Step 1: Write the proportion equation
95,676.24 : 143,442.87 = 66,009.42 : x - Step 2: Convert to fraction form
95,676.24/143,442.87 = 66,009.42/x - Step 3: Cross multiply
95,676.24x = 143,442.87 × 66,009.42 - Step 4: Simplify right side
95,676.24x = 9,468,580,651.84 - Step 5: Solve for x
x = 9,468,580,651.84/95,676.24 - Step 6: Final answer
x = 98,964.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.