Finding the Fourth Proportional to 104,160.81, 143,750.75 and 58,847.10
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Solution
The fourth proportional to 104,160.81, 143,750.75 and 58,847.10 is: 81,213.99
Step by Step Solution
- Step 1: Write the proportion equation
104,160.81 : 143,750.75 = 58,847.10 : x - Step 2: Convert to fraction form
104,160.81/143,750.75 = 58,847.10/x - Step 3: Cross multiply
104,160.81x = 143,750.75 × 58,847.10 - Step 4: Simplify right side
104,160.81x = 8,459,314,760.33 - Step 5: Solve for x
x = 8,459,314,760.33/104,160.81 - Step 6: Final answer
x = 81,213.99
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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.