Finding the Fourth Proportional to 84,623.25, 116,791.74 and 48,812.48
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Solution
The fourth proportional to 84,623.25, 116,791.74 and 48,812.48 is: 67,367.95
Step by Step Solution
- Step 1: Write the proportion equation
84,623.25 : 116,791.74 = 48,812.48 : x - Step 2: Convert to fraction form
84,623.25/116,791.74 = 48,812.48/x - Step 3: Cross multiply
84,623.25x = 116,791.74 × 48,812.48 - Step 4: Simplify right side
84,623.25x = 5,700,894,472.92 - Step 5: Solve for x
x = 5,700,894,472.92/84,623.25 - Step 6: Final answer
x = 67,367.95
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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.