Finding the Fourth Proportional to 75,144.92, 112,724.91 and 27,772.47
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Solution
The fourth proportional to 75,144.92, 112,724.91 and 27,772.47 is: 41,661.49
Step by Step Solution
- Step 1: Write the proportion equation
75,144.92 : 112,724.91 = 27,772.47 : x - Step 2: Convert to fraction form
75,144.92/112,724.91 = 27,772.47/x - Step 3: Cross multiply
75,144.92x = 112,724.91 × 27,772.47 - Step 4: Simplify right side
75,144.92x = 3,130,649,181.23 - Step 5: Solve for x
x = 3,130,649,181.23/75,144.92 - Step 6: Final answer
x = 41,661.49
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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.