Finding the Fourth Proportional to 107,865.92, 161,798.84 and 32,986.06
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Solution
The fourth proportional to 107,865.92, 161,798.84 and 32,986.06 is: 49,479.08
Step by Step Solution
- Step 1: Write the proportion equation
107,865.92 : 161,798.84 = 32,986.06 : x - Step 2: Convert to fraction form
107,865.92/161,798.84 = 32,986.06/x - Step 3: Cross multiply
107,865.92x = 161,798.84 × 32,986.06 - Step 4: Simplify right side
107,865.92x = 5,337,106,244.17 - Step 5: Solve for x
x = 5,337,106,244.17/107,865.92 - Step 6: Final answer
x = 49,479.08
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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.