Finding the Fourth Proportional to 86,623.63, 119,540.60 and 46,879.63
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Solution
The fourth proportional to 86,623.63, 119,540.60 and 46,879.63 is: 64,693.88
Step by Step Solution
- Step 1: Write the proportion equation
86,623.63 : 119,540.60 = 46,879.63 : x - Step 2: Convert to fraction form
86,623.63/119,540.60 = 46,879.63/x - Step 3: Cross multiply
86,623.63x = 119,540.60 × 46,879.63 - Step 4: Simplify right side
86,623.63x = 5,604,019,097.98 - Step 5: Solve for x
x = 5,604,019,097.98/86,623.63 - Step 6: Final answer
x = 64,693.88
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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.