Finding the Fourth Proportional to 79,623.07, 119,262.38 and 37,439.96
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Solution
The fourth proportional to 79,623.07, 119,262.38 and 37,439.96 is: 56,078.95
Step by Step Solution
- Step 1: Write the proportion equation
79,623.07 : 119,262.38 = 37,439.96 : x - Step 2: Convert to fraction form
79,623.07/119,262.38 = 37,439.96/x - Step 3: Cross multiply
79,623.07x = 119,262.38 × 37,439.96 - Step 4: Simplify right side
79,623.07x = 4,465,177,953.19 - Step 5: Solve for x
x = 4,465,177,953.19/79,623.07 - Step 6: Final answer
x = 56,078.95
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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.