Finding the Fourth Proportional to 84,470.54, 116,536.18 and 54,251.66
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Solution
The fourth proportional to 84,470.54, 116,536.18 and 54,251.66 is: 74,845.99
Step by Step Solution
- Step 1: Write the proportion equation
84,470.54 : 116,536.18 = 54,251.66 : x - Step 2: Convert to fraction form
84,470.54/116,536.18 = 54,251.66/x - Step 3: Cross multiply
84,470.54x = 116,536.18 × 54,251.66 - Step 4: Simplify right side
84,470.54x = 6,322,281,215.06 - Step 5: Solve for x
x = 6,322,281,215.06/84,470.54 - Step 6: Final answer
x = 74,845.99
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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.