Finding the Fourth Proportional to 75,247.14, 112,791.12 and 27,831.76
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Solution
The fourth proportional to 75,247.14, 112,791.12 and 27,831.76 is: 41,718.20
Step by Step Solution
- Step 1: Write the proportion equation
75,247.14 : 112,791.12 = 27,831.76 : x - Step 2: Convert to fraction form
75,247.14/112,791.12 = 27,831.76/x - Step 3: Cross multiply
75,247.14x = 112,791.12 × 27,831.76 - Step 4: Simplify right side
75,247.14x = 3,139,175,381.97 - Step 5: Solve for x
x = 3,139,175,381.97/75,247.14 - Step 6: Final answer
x = 41,718.20
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1.5x scale
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.