Finding the Fourth Proportional to 67,575.09, 101,379.12 and 47,623.47
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Solution
The fourth proportional to 67,575.09, 101,379.12 and 47,623.47 is: 71,446.82
Step by Step Solution
- Step 1: Write the proportion equation
67,575.09 : 101,379.12 = 47,623.47 : x - Step 2: Convert to fraction form
67,575.09/101,379.12 = 47,623.47/x - Step 3: Cross multiply
67,575.09x = 101,379.12 × 47,623.47 - Step 4: Simplify right side
67,575.09x = 4,828,025,479.95 - Step 5: Solve for x
x = 4,828,025,479.95/67,575.09 - Step 6: Final answer
x = 71,446.82
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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.