Finding the Fourth Proportional to 79,770.87, 119,677.05 and 29,854.80
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Solution
The fourth proportional to 79,770.87, 119,677.05 and 29,854.80 is: 44,789.96
Step by Step Solution
- Step 1: Write the proportion equation
79,770.87 : 119,677.05 = 29,854.80 : x - Step 2: Convert to fraction form
79,770.87/119,677.05 = 29,854.80/x - Step 3: Cross multiply
79,770.87x = 119,677.05 × 29,854.80 - Step 4: Simplify right side
79,770.87x = 3,572,934,392.34 - Step 5: Solve for x
x = 3,572,934,392.34/79,770.87 - Step 6: Final answer
x = 44,789.96
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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.