Finding the Fourth Proportional to 81,767.62, 122,649.89 and 44,564.44
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Solution
The fourth proportional to 81,767.62, 122,649.89 and 44,564.44 is: 66,845.82
Step by Step Solution
- Step 1: Write the proportion equation
81,767.62 : 122,649.89 = 44,564.44 : x - Step 2: Convert to fraction form
81,767.62/122,649.89 = 44,564.44/x - Step 3: Cross multiply
81,767.62x = 122,649.89 × 44,564.44 - Step 4: Simplify right side
81,767.62x = 5,465,823,385.96 - Step 5: Solve for x
x = 5,465,823,385.96/81,767.62 - Step 6: Final answer
x = 66,845.82
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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.