Finding the Fourth Proportional to 92,539.62, 138,809.79 and 22,418.82
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Solution
The fourth proportional to 92,539.62, 138,809.79 and 22,418.82 is: 33,628.32
Step by Step Solution
- Step 1: Write the proportion equation
92,539.62 : 138,809.79 = 22,418.82 : x - Step 2: Convert to fraction form
92,539.62/138,809.79 = 22,418.82/x - Step 3: Cross multiply
92,539.62x = 138,809.79 × 22,418.82 - Step 4: Simplify right side
92,539.62x = 3,111,951,696.25 - Step 5: Solve for x
x = 3,111,951,696.25/92,539.62 - Step 6: Final answer
x = 33,628.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.