Finding the Fourth Proportional to 74,527.84, 102,843.84 and 42,689.44
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Solution
The fourth proportional to 74,527.84, 102,843.84 and 42,689.44 is: 58,908.80
Step by Step Solution
- Step 1: Write the proportion equation
74,527.84 : 102,843.84 = 42,689.44 : x - Step 2: Convert to fraction form
74,527.84/102,843.84 = 42,689.44/x - Step 3: Cross multiply
74,527.84x = 102,843.84 × 42,689.44 - Step 4: Simplify right side
74,527.84x = 4,390,345,937.05 - Step 5: Solve for x
x = 4,390,345,937.05/74,527.84 - Step 6: Final answer
x = 58,908.80
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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.