Finding the Fourth Proportional to 77,306.11, 115,849.81 and 32,888.14
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Solution
The fourth proportional to 77,306.11, 115,849.81 and 32,888.14 is: 49,285.69
Step by Step Solution
- Step 1: Write the proportion equation
77,306.11 : 115,849.81 = 32,888.14 : x - Step 2: Convert to fraction form
77,306.11/115,849.81 = 32,888.14/x - Step 3: Cross multiply
77,306.11x = 115,849.81 × 32,888.14 - Step 4: Simplify right side
77,306.11x = 3,810,084,521.74 - Step 5: Solve for x
x = 3,810,084,521.74/77,306.11 - Step 6: Final answer
x = 49,285.69
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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.