Finding the Fourth Proportional to 84,609.06, 116,772.76 and 48,791.94
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Solution
The fourth proportional to 84,609.06, 116,772.76 and 48,791.94 is: 67,339.95
Step by Step Solution
- Step 1: Write the proportion equation
84,609.06 : 116,772.76 = 48,791.94 : x - Step 2: Convert to fraction form
84,609.06/116,772.76 = 48,791.94/x - Step 3: Cross multiply
84,609.06x = 116,772.76 × 48,791.94 - Step 4: Simplify right side
84,609.06x = 5,697,569,499.55 - Step 5: Solve for x
x = 5,697,569,499.55/84,609.06 - Step 6: Final answer
x = 67,339.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.