Finding the Fourth Proportional to 83,408.77, 125,116.90 and 27,252.31
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Solution
The fourth proportional to 83,408.77, 125,116.90 and 27,252.31 is: 40,879.69
Step by Step Solution
- Step 1: Write the proportion equation
83,408.77 : 125,116.90 = 27,252.31 : x - Step 2: Convert to fraction form
83,408.77/125,116.90 = 27,252.31/x - Step 3: Cross multiply
83,408.77x = 125,116.90 × 27,252.31 - Step 4: Simplify right side
83,408.77x = 3,409,724,545.04 - Step 5: Solve for x
x = 3,409,724,545.04/83,408.77 - Step 6: Final answer
x = 40,879.69
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1.5x scale
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.