Finding the Fourth Proportional to 86,710.26, 119,657.64 and 48,469.88
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Solution
The fourth proportional to 86,710.26, 119,657.64 and 48,469.88 is: 66,887.02
Step by Step Solution
- Step 1: Write the proportion equation
86,710.26 : 119,657.64 = 48,469.88 : x - Step 2: Convert to fraction form
86,710.26/119,657.64 = 48,469.88/x - Step 3: Cross multiply
86,710.26x = 119,657.64 × 48,469.88 - Step 4: Simplify right side
86,710.26x = 5,799,790,853.60 - Step 5: Solve for x
x = 5,799,790,853.60/86,710.26 - Step 6: Final answer
x = 66,887.02
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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.