Finding the Fourth Proportional to 86,202.24, 118,910.58 and 51,738.12
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Solution
The fourth proportional to 86,202.24, 118,910.58 and 51,738.12 is: 71,369.49
Step by Step Solution
- Step 1: Write the proportion equation
86,202.24 : 118,910.58 = 51,738.12 : x - Step 2: Convert to fraction form
86,202.24/118,910.58 = 51,738.12/x - Step 3: Cross multiply
86,202.24x = 118,910.58 × 51,738.12 - Step 4: Simplify right side
86,202.24x = 6,152,209,857.31 - Step 5: Solve for x
x = 6,152,209,857.31/86,202.24 - Step 6: Final answer
x = 71,369.49
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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.