Finding the Fourth Proportional to 86,520.99, 119,394.39 and 48,792.81
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Solution
The fourth proportional to 86,520.99, 119,394.39 and 48,792.81 is: 67,331.50
Step by Step Solution
- Step 1: Write the proportion equation
86,520.99 : 119,394.39 = 48,792.81 : x - Step 2: Convert to fraction form
86,520.99/119,394.39 = 48,792.81/x - Step 3: Cross multiply
86,520.99x = 119,394.39 × 48,792.81 - Step 4: Simplify right side
86,520.99x = 5,825,587,786.34 - Step 5: Solve for x
x = 5,825,587,786.34/86,520.99 - Step 6: Final answer
x = 67,331.50
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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.