Finding the Fourth Proportional to 84,904.57, 117,168.84 and 53,092.09
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Solution
The fourth proportional to 84,904.57, 117,168.84 and 53,092.09 is: 73,267.42
Step by Step Solution
- Step 1: Write the proportion equation
84,904.57 : 117,168.84 = 53,092.09 : x - Step 2: Convert to fraction form
84,904.57/117,168.84 = 53,092.09/x - Step 3: Cross multiply
84,904.57x = 117,168.84 × 53,092.09 - Step 4: Simplify right side
84,904.57x = 6,220,738,598.48 - Step 5: Solve for x
x = 6,220,738,598.48/84,904.57 - Step 6: Final answer
x = 73,267.42
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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.