Finding the Fourth Proportional to 75,303.14, 112,882.71 and 27,905.54
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Solution
The fourth proportional to 75,303.14, 112,882.71 and 27,905.54 is: 41,831.63
Step by Step Solution
- Step 1: Write the proportion equation
75,303.14 : 112,882.71 = 27,905.54 : x - Step 2: Convert to fraction form
75,303.14/112,882.71 = 27,905.54/x - Step 3: Cross multiply
75,303.14x = 112,882.71 × 27,905.54 - Step 4: Simplify right side
75,303.14x = 3,150,052,979.21 - Step 5: Solve for x
x = 3,150,052,979.21/75,303.14 - Step 6: Final answer
x = 41,831.63
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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.