Finding the Fourth Proportional to 86,177.21, 129,262.46 and 44,056.80
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Solution
The fourth proportional to 86,177.21, 129,262.46 and 44,056.80 is: 66,083.49
Step by Step Solution
- Step 1: Write the proportion equation
86,177.21 : 129,262.46 = 44,056.80 : x - Step 2: Convert to fraction form
86,177.21/129,262.46 = 44,056.80/x - Step 3: Cross multiply
86,177.21x = 129,262.46 × 44,056.80 - Step 4: Simplify right side
86,177.21x = 5,694,890,127.44 - Step 5: Solve for x
x = 5,694,890,127.44/86,177.21 - Step 6: Final answer
x = 66,083.49
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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.