Finding the Fourth Proportional to 79,741.59, 119,686.50 and 40,326.99
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Solution
The fourth proportional to 79,741.59, 119,686.50 and 40,326.99 is: 60,527.97
Step by Step Solution
- Step 1: Write the proportion equation
79,741.59 : 119,686.50 = 40,326.99 : x - Step 2: Convert to fraction form
79,741.59/119,686.50 = 40,326.99/x - Step 3: Cross multiply
79,741.59x = 119,686.50 × 40,326.99 - Step 4: Simplify right side
79,741.59x = 4,826,596,288.64 - Step 5: Solve for x
x = 4,826,596,288.64/79,741.59 - Step 6: Final answer
x = 60,527.97
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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.