Finding the Fourth Proportional to 86,832.12, 130,246.76 and 27,666.99
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Solution
The fourth proportional to 86,832.12, 130,246.76 and 27,666.99 is: 41,500.03
Step by Step Solution
- Step 1: Write the proportion equation
86,832.12 : 130,246.76 = 27,666.99 : x - Step 2: Convert to fraction form
86,832.12/130,246.76 = 27,666.99/x - Step 3: Cross multiply
86,832.12x = 130,246.76 × 27,666.99 - Step 4: Simplify right side
86,832.12x = 3,603,535,875.62 - Step 5: Solve for x
x = 3,603,535,875.62/86,832.12 - Step 6: Final answer
x = 41,500.03
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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.