Finding the Fourth Proportional to 85,530.26, 118,028.78 and 46,768.99
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Solution
The fourth proportional to 85,530.26, 118,028.78 and 46,768.99 is: 64,539.57
Step by Step Solution
- Step 1: Write the proportion equation
85,530.26 : 118,028.78 = 46,768.99 : x - Step 2: Convert to fraction form
85,530.26/118,028.78 = 46,768.99/x - Step 3: Cross multiply
85,530.26x = 118,028.78 × 46,768.99 - Step 4: Simplify right side
85,530.26x = 5,520,086,565.69 - Step 5: Solve for x
x = 5,520,086,565.69/85,530.26 - Step 6: Final answer
x = 64,539.57
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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.