Finding the Fourth Proportional to 77,251.24, 115,831.75 and 32,855.14
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Solution
The fourth proportional to 77,251.24, 115,831.75 and 32,855.14 is: 49,263.52
Step by Step Solution
- Step 1: Write the proportion equation
77,251.24 : 115,831.75 = 32,855.14 : x - Step 2: Convert to fraction form
77,251.24/115,831.75 = 32,855.14/x - Step 3: Cross multiply
77,251.24x = 115,831.75 × 32,855.14 - Step 4: Simplify right side
77,251.24x = 3,805,668,362.70 - Step 5: Solve for x
x = 3,805,668,362.70/77,251.24 - Step 6: Final answer
x = 49,263.52
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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.