Finding the Fourth Proportional to 92,471.62, 138,707.79 and 22,350.82
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Solution
The fourth proportional to 92,471.62, 138,707.79 and 22,350.82 is: 33,526.32
Step by Step Solution
- Step 1: Write the proportion equation
92,471.62 : 138,707.79 = 22,350.82 : x - Step 2: Convert to fraction form
92,471.62/138,707.79 = 22,350.82/x - Step 3: Cross multiply
92,471.62x = 138,707.79 × 22,350.82 - Step 4: Simplify right side
92,471.62x = 3,100,232,846.89 - Step 5: Solve for x
x = 3,100,232,846.89/92,471.62 - Step 6: Final answer
x = 33,526.32
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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.