Finding the Fourth Proportional to 81,927.16, 122,897.37 and 22,762.84
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Solution
The fourth proportional to 81,927.16, 122,897.37 and 22,762.84 is: 34,146.09
Step by Step Solution
- Step 1: Write the proportion equation
81,927.16 : 122,897.37 = 22,762.84 : x - Step 2: Convert to fraction form
81,927.16/122,897.37 = 22,762.84/x - Step 3: Cross multiply
81,927.16x = 122,897.37 × 22,762.84 - Step 4: Simplify right side
81,927.16x = 2,797,492,555.24 - Step 5: Solve for x
x = 2,797,492,555.24/81,927.16 - Step 6: Final answer
x = 34,146.09
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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.