Finding the Fourth Proportional to 79,631.51, 119,363.96 and 29,689.88
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Solution
The fourth proportional to 79,631.51, 119,363.96 and 29,689.88 is: 44,503.76
Step by Step Solution
- Step 1: Write the proportion equation
79,631.51 : 119,363.96 = 29,689.88 : x - Step 2: Convert to fraction form
79,631.51/119,363.96 = 29,689.88/x - Step 3: Cross multiply
79,631.51x = 119,363.96 × 29,689.88 - Step 4: Simplify right side
79,631.51x = 3,543,901,126.13 - Step 5: Solve for x
x = 3,543,901,126.13/79,631.51 - Step 6: Final answer
x = 44,503.76
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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.