Finding the Fourth Proportional to 86,203.07, 118,976.63 and 53,952.68
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Solution
The fourth proportional to 86,203.07, 118,976.63 and 53,952.68 is: 74,464.95
Step by Step Solution
- Step 1: Write the proportion equation
86,203.07 : 118,976.63 = 53,952.68 : x - Step 2: Convert to fraction form
86,203.07/118,976.63 = 53,952.68/x - Step 3: Cross multiply
86,203.07x = 118,976.63 × 53,952.68 - Step 4: Simplify right side
86,203.07x = 6,419,107,181.22 - Step 5: Solve for x
x = 6,419,107,181.22/86,203.07 - Step 6: Final answer
x = 74,464.95
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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.