Finding the Fourth Proportional to 86,404.96, 129,595.14 and 27,232.94
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Solution
The fourth proportional to 86,404.96, 129,595.14 and 27,232.94 is: 40,845.54
Step by Step Solution
- Step 1: Write the proportion equation
86,404.96 : 129,595.14 = 27,232.94 : x - Step 2: Convert to fraction form
86,404.96/129,595.14 = 27,232.94/x - Step 3: Cross multiply
86,404.96x = 129,595.14 × 27,232.94 - Step 4: Simplify right side
86,404.96x = 3,529,256,995.90 - Step 5: Solve for x
x = 3,529,256,995.90/86,404.96 - Step 6: Final answer
x = 40,845.54
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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.