Finding the Fourth Proportional to 81,724.02, 122,357.64 and 44,149.48
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Solution
The fourth proportional to 81,724.02, 122,357.64 and 44,149.48 is: 66,100.84
Step by Step Solution
- Step 1: Write the proportion equation
81,724.02 : 122,357.64 = 44,149.48 : x - Step 2: Convert to fraction form
81,724.02/122,357.64 = 44,149.48/x - Step 3: Cross multiply
81,724.02x = 122,357.64 × 44,149.48 - Step 4: Simplify right side
81,724.02x = 5,402,026,180.03 - Step 5: Solve for x
x = 5,402,026,180.03/81,724.02 - Step 6: Final answer
x = 66,100.84
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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.