Finding the Fourth Proportional to 86,580.91, 119,480.49 and 48,341.04
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Solution
The fourth proportional to 86,580.91, 119,480.49 and 48,341.04 is: 66,709.99
Step by Step Solution
- Step 1: Write the proportion equation
86,580.91 : 119,480.49 = 48,341.04 : x - Step 2: Convert to fraction form
86,580.91/119,480.49 = 48,341.04/x - Step 3: Cross multiply
86,580.91x = 119,480.49 × 48,341.04 - Step 4: Simplify right side
86,580.91x = 5,775,811,025.46 - Step 5: Solve for x
x = 5,775,811,025.46/86,580.91 - Step 6: Final answer
x = 66,709.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.