Finding the Fourth Proportional to 95,896.08, 143,781.84 and 39,720.96
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Solution
The fourth proportional to 95,896.08, 143,781.84 and 39,720.96 is: 59,555.64
Step by Step Solution
- Step 1: Write the proportion equation
95,896.08 : 143,781.84 = 39,720.96 : x - Step 2: Convert to fraction form
95,896.08/143,781.84 = 39,720.96/x - Step 3: Cross multiply
95,896.08x = 143,781.84 × 39,720.96 - Step 4: Simplify right side
95,896.08x = 5,711,152,715.37 - Step 5: Solve for x
x = 5,711,152,715.37/95,896.08 - Step 6: Final answer
x = 59,555.64
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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.