Finding the Fourth Proportional to 84,518.29, 116,634.49 and 48,707.52
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Solution
The fourth proportional to 84,518.29, 116,634.49 and 48,707.52 is: 67,215.95
Step by Step Solution
- Step 1: Write the proportion equation
84,518.29 : 116,634.49 = 48,707.52 : x - Step 2: Convert to fraction form
84,518.29/116,634.49 = 48,707.52/x - Step 3: Cross multiply
84,518.29x = 116,634.49 × 48,707.52 - Step 4: Simplify right side
84,518.29x = 5,680,976,754.36 - Step 5: Solve for x
x = 5,680,976,754.36/84,518.29 - Step 6: Final answer
x = 67,215.95
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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.