Finding the Fourth Proportional to 86,323.94, 119,129.37 and 48,599.54
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Solution
The fourth proportional to 86,323.94, 119,129.37 and 48,599.54 is: 67,068.68
Step by Step Solution
- Step 1: Write the proportion equation
86,323.94 : 119,129.37 = 48,599.54 : x - Step 2: Convert to fraction form
86,323.94/119,129.37 = 48,599.54/x - Step 3: Cross multiply
86,323.94x = 119,129.37 × 48,599.54 - Step 4: Simplify right side
86,323.94x = 5,789,632,582.49 - Step 5: Solve for x
x = 5,789,632,582.49/86,323.94 - Step 6: Final answer
x = 67,068.68
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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.