Finding the Fourth Proportional to 86,576.58, 129,869.46 and 27,407.70
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Solution
The fourth proportional to 86,576.58, 129,869.46 and 27,407.70 is: 41,113.00
Step by Step Solution
- Step 1: Write the proportion equation
86,576.58 : 129,869.46 = 27,407.70 : x - Step 2: Convert to fraction form
86,576.58/129,869.46 = 27,407.70/x - Step 3: Cross multiply
86,576.58x = 129,869.46 × 27,407.70 - Step 4: Simplify right side
86,576.58x = 3,559,423,198.84 - Step 5: Solve for x
x = 3,559,423,198.84/86,576.58 - Step 6: Final answer
x = 41,113.00
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1.5x scale
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.