Finding the Fourth Proportional to 86,200.09, 118,958.97 and 52,214.92
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Solution
The fourth proportional to 86,200.09, 118,958.97 and 52,214.92 is: 72,058.31
Step by Step Solution
- Step 1: Write the proportion equation
86,200.09 : 118,958.97 = 52,214.92 : x - Step 2: Convert to fraction form
86,200.09/118,958.97 = 52,214.92/x - Step 3: Cross multiply
86,200.09x = 118,958.97 × 52,214.92 - Step 4: Simplify right side
86,200.09x = 6,211,433,101.83 - Step 5: Solve for x
x = 6,211,433,101.83/86,200.09 - Step 6: Final answer
x = 72,058.31
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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.