Finding the Fourth Proportional to 81,995.44, 122,994.24 and 22,829.68
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Solution
The fourth proportional to 81,995.44, 122,994.24 and 22,829.68 is: 34,244.82
Step by Step Solution
- Step 1: Write the proportion equation
81,995.44 : 122,994.24 = 22,829.68 : x - Step 2: Convert to fraction form
81,995.44/122,994.24 = 22,829.68/x - Step 3: Cross multiply
81,995.44x = 122,994.24 × 22,829.68 - Step 4: Simplify right side
81,995.44x = 2,807,919,141.04 - Step 5: Solve for x
x = 2,807,919,141.04/81,995.44 - Step 6: Final answer
x = 34,244.82
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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.