Finding the Fourth Proportional to 79,377.60, 118,990.50 and 29,444.34
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Solution
The fourth proportional to 79,377.60, 118,990.50 and 29,444.34 is: 44,138.36
Step by Step Solution
- Step 1: Write the proportion equation
79,377.60 : 118,990.50 = 29,444.34 : x - Step 2: Convert to fraction form
79,377.60/118,990.50 = 29,444.34/x - Step 3: Cross multiply
79,377.60x = 118,990.50 × 29,444.34 - Step 4: Simplify right side
79,377.60x = 3,503,596,738.77 - Step 5: Solve for x
x = 3,503,596,738.77/79,377.60 - Step 6: Final answer
x = 44,138.36
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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.