Finding the Fourth Proportional to 79,363.80, 119,043.27 and 26,768.88
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Solution
The fourth proportional to 79,363.80, 119,043.27 and 26,768.88 is: 40,152.50
Step by Step Solution
- Step 1: Write the proportion equation
79,363.80 : 119,043.27 = 26,768.88 : x - Step 2: Convert to fraction form
79,363.80/119,043.27 = 26,768.88/x - Step 3: Cross multiply
79,363.80x = 119,043.27 × 26,768.88 - Step 4: Simplify right side
79,363.80x = 3,186,655,009.44 - Step 5: Solve for x
x = 3,186,655,009.44/79,363.80 - Step 6: Final answer
x = 40,152.50
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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.