Finding the Fourth Proportional to 86,395.77, 119,227.49 and 48,154.26
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Solution
The fourth proportional to 86,395.77, 119,227.49 and 48,154.26 is: 66,453.61
Step by Step Solution
- Step 1: Write the proportion equation
86,395.77 : 119,227.49 = 48,154.26 : x - Step 2: Convert to fraction form
86,395.77/119,227.49 = 48,154.26/x - Step 3: Cross multiply
86,395.77x = 119,227.49 × 48,154.26 - Step 4: Simplify right side
86,395.77x = 5,741,311,045.31 - Step 5: Solve for x
x = 5,741,311,045.31/86,395.77 - Step 6: Final answer
x = 66,453.61
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1.5x scale
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.