Finding the Fourth Proportional to 74,538.05, 102,827.95 and 44,306.42
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Solution
The fourth proportional to 74,538.05, 102,827.95 and 44,306.42 is: 61,122.31
Step by Step Solution
- Step 1: Write the proportion equation
74,538.05 : 102,827.95 = 44,306.42 : x - Step 2: Convert to fraction form
74,538.05/102,827.95 = 44,306.42/x - Step 3: Cross multiply
74,538.05x = 102,827.95 × 44,306.42 - Step 4: Simplify right side
74,538.05x = 4,555,937,715.53 - Step 5: Solve for x
x = 4,555,937,715.53/74,538.05 - Step 6: Final answer
x = 61,122.31
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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.