Finding the Fourth Proportional to 86,511.87, 129,756.60 and 27,353.52
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Solution
The fourth proportional to 86,511.87, 129,756.60 and 27,353.52 is: 41,026.74
Step by Step Solution
- Step 1: Write the proportion equation
86,511.87 : 129,756.60 = 27,353.52 : x - Step 2: Convert to fraction form
86,511.87/129,756.60 = 27,353.52/x - Step 3: Cross multiply
86,511.87x = 129,756.60 × 27,353.52 - Step 4: Simplify right side
86,511.87x = 3,549,299,753.23 - Step 5: Solve for x
x = 3,549,299,753.23/86,511.87 - Step 6: Final answer
x = 41,026.74
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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.