Finding the Fourth Proportional to 75,872.38, 113,795.80 and 27,831.08
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Solution
The fourth proportional to 75,872.38, 113,795.80 and 27,831.08 is: 41,741.94
Step by Step Solution
- Step 1: Write the proportion equation
75,872.38 : 113,795.80 = 27,831.08 : x - Step 2: Convert to fraction form
75,872.38/113,795.80 = 27,831.08/x - Step 3: Cross multiply
75,872.38x = 113,795.80 × 27,831.08 - Step 4: Simplify right side
75,872.38x = 3,167,060,013.46 - Step 5: Solve for x
x = 3,167,060,013.46/75,872.38 - Step 6: Final answer
x = 41,741.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.