Finding the Fourth Proportional to 79,550.24, 119,272.68 and 31,487.00
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Solution
The fourth proportional to 79,550.24, 119,272.68 and 31,487.00 is: 47,209.64
Step by Step Solution
- Step 1: Write the proportion equation
79,550.24 : 119,272.68 = 31,487.00 : x - Step 2: Convert to fraction form
79,550.24/119,272.68 = 31,487.00/x - Step 3: Cross multiply
79,550.24x = 119,272.68 × 31,487.00 - Step 4: Simplify right side
79,550.24x = 3,755,538,278.80 - Step 5: Solve for x
x = 3,755,538,278.80/79,550.24 - Step 6: Final answer
x = 47,209.64
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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.