Finding the Fourth Proportional to 85,240.19, 127,874.57 and 26,061.99
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Solution
The fourth proportional to 85,240.19, 127,874.57 and 26,061.99 is: 39,097.35
Step by Step Solution
- Step 1: Write the proportion equation
85,240.19 : 127,874.57 = 26,061.99 : x - Step 2: Convert to fraction form
85,240.19/127,874.57 = 26,061.99/x - Step 3: Cross multiply
85,240.19x = 127,874.57 × 26,061.99 - Step 4: Simplify right side
85,240.19x = 3,332,665,634.28 - Step 5: Solve for x
x = 3,332,665,634.28/85,240.19 - Step 6: Final answer
x = 39,097.35
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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.