Finding the Fourth Proportional to 84,504.16, 116,509.88 and 54,236.08
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Solution
The fourth proportional to 84,504.16, 116,509.88 and 54,236.08 is: 74,777.85
Step by Step Solution
- Step 1: Write the proportion equation
84,504.16 : 116,509.88 = 54,236.08 : x - Step 2: Convert to fraction form
84,504.16/116,509.88 = 54,236.08/x - Step 3: Cross multiply
84,504.16x = 116,509.88 × 54,236.08 - Step 4: Simplify right side
84,504.16x = 6,319,039,172.47 - Step 5: Solve for x
x = 6,319,039,172.47/84,504.16 - Step 6: Final answer
x = 74,777.85
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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.