Finding the Fourth Proportional to 85,230.80, 127,825.70 and 26,066.99
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Solution
The fourth proportional to 85,230.80, 127,825.70 and 26,066.99 is: 39,094.21
Step by Step Solution
- Step 1: Write the proportion equation
85,230.80 : 127,825.70 = 26,066.99 : x - Step 2: Convert to fraction form
85,230.80/127,825.70 = 26,066.99/x - Step 3: Cross multiply
85,230.80x = 127,825.70 × 26,066.99 - Step 4: Simplify right side
85,230.80x = 3,332,030,884.92 - Step 5: Solve for x
x = 3,332,030,884.92/85,230.80 - Step 6: Final answer
x = 39,094.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.