Finding the Fourth Proportional to 95,579.31, 143,398.13 and 48,864.99
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Solution
The fourth proportional to 95,579.31, 143,398.13 and 48,864.99 is: 73,312.39
Step by Step Solution
- Step 1: Write the proportion equation
95,579.31 : 143,398.13 = 48,864.99 : x - Step 2: Convert to fraction form
95,579.31/143,398.13 = 48,864.99/x - Step 3: Cross multiply
95,579.31x = 143,398.13 × 48,864.99 - Step 4: Simplify right side
95,579.31x = 7,007,147,944.14 - Step 5: Solve for x
x = 7,007,147,944.14/95,579.31 - Step 6: Final answer
x = 73,312.39
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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.