Finding the Fourth Proportional to 86,107.53, 118,829.82 and 47,346.99
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Solution
The fourth proportional to 86,107.53, 118,829.82 and 47,346.99 is: 65,339.63
Step by Step Solution
- Step 1: Write the proportion equation
86,107.53 : 118,829.82 = 47,346.99 : x - Step 2: Convert to fraction form
86,107.53/118,829.82 = 47,346.99/x - Step 3: Cross multiply
86,107.53x = 118,829.82 × 47,346.99 - Step 4: Simplify right side
86,107.53x = 5,626,234,299.24 - Step 5: Solve for x
x = 5,626,234,299.24/86,107.53 - Step 6: Final answer
x = 65,339.63
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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.