Finding the Fourth Proportional to 86,697.66, 130,050.99 and 27,537.96
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Solution
The fourth proportional to 86,697.66, 130,050.99 and 27,537.96 is: 41,308.37
Step by Step Solution
- Step 1: Write the proportion equation
86,697.66 : 130,050.99 = 27,537.96 : x - Step 2: Convert to fraction form
86,697.66/130,050.99 = 27,537.96/x - Step 3: Cross multiply
86,697.66x = 130,050.99 × 27,537.96 - Step 4: Simplify right side
86,697.66x = 3,581,338,960.58 - Step 5: Solve for x
x = 3,581,338,960.58/86,697.66 - Step 6: Final answer
x = 41,308.37
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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.