Finding the Fourth Proportional to 84,891.92, 117,192.40 and 53,071.08
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Solution
The fourth proportional to 84,891.92, 117,192.40 and 53,071.08 is: 73,264.07
Step by Step Solution
- Step 1: Write the proportion equation
84,891.92 : 117,192.40 = 53,071.08 : x - Step 2: Convert to fraction form
84,891.92/117,192.40 = 53,071.08/x - Step 3: Cross multiply
84,891.92x = 117,192.40 × 53,071.08 - Step 4: Simplify right side
84,891.92x = 6,219,527,235.79 - Step 5: Solve for x
x = 6,219,527,235.79/84,891.92 - Step 6: Final answer
x = 73,264.07
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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.