Finding the Fourth Proportional to 97,514.10, 134,631.99 and 79,651.98
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Solution
The fourth proportional to 97,514.10, 134,631.99 and 79,651.98 is: 109,970.81
Step by Step Solution
- Step 1: Write the proportion equation
97,514.10 : 134,631.99 = 79,651.98 : x - Step 2: Convert to fraction form
97,514.10/134,631.99 = 79,651.98/x - Step 3: Cross multiply
97,514.10x = 134,631.99 × 79,651.98 - Step 4: Simplify right side
97,514.10x = 10,723,704,574.84 - Step 5: Solve for x
x = 10,723,704,574.84/97,514.10 - Step 6: Final answer
x = 109,970.81
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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.