Finding the Fourth Proportional to 107,532.96, 161,133.36 and 57,619.68
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Solution
The fourth proportional to 107,532.96, 161,133.36 and 57,619.68 is: 86,340.53
Step by Step Solution
- Step 1: Write the proportion equation
107,532.96 : 161,133.36 = 57,619.68 : x - Step 2: Convert to fraction form
107,532.96/161,133.36 = 57,619.68/x - Step 3: Cross multiply
107,532.96x = 161,133.36 × 57,619.68 - Step 4: Simplify right side
107,532.96x = 9,284,452,640.52 - Step 5: Solve for x
x = 9,284,452,640.52/107,532.96 - Step 6: Final answer
x = 86,340.53
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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.