Finding the Fourth Proportional to 95,678.44, 131,944.62 and 72,977.08
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Solution
The fourth proportional to 95,678.44, 131,944.62 and 72,977.08 is: 100,638.48
Step by Step Solution
- Step 1: Write the proportion equation
95,678.44 : 131,944.62 = 72,977.08 : x - Step 2: Convert to fraction form
95,678.44/131,944.62 = 72,977.08/x - Step 3: Cross multiply
95,678.44x = 131,944.62 × 72,977.08 - Step 4: Simplify right side
95,678.44x = 9,628,933,089.31 - Step 5: Solve for x
x = 9,628,933,089.31/95,678.44 - Step 6: Final answer
x = 100,638.48
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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.