Finding the Fourth Proportional to 86,520.62, 119,221.26 and 63,823.62
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Solution
The fourth proportional to 86,520.62, 119,221.26 and 63,823.62 is: 87,945.88
Step by Step Solution
- Step 1: Write the proportion equation
86,520.62 : 119,221.26 = 63,823.62 : x - Step 2: Convert to fraction form
86,520.62/119,221.26 = 63,823.62/x - Step 3: Cross multiply
86,520.62x = 119,221.26 × 63,823.62 - Step 4: Simplify right side
86,520.62x = 7,609,132,394.16 - Step 5: Solve for x
x = 7,609,132,394.16/86,520.62 - Step 6: Final answer
x = 87,945.88
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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.