Finding the Fourth Proportional to 79,783.11, 119,648.34 and 26,462.84
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Solution
The fourth proportional to 79,783.11, 119,648.34 and 26,462.84 is: 39,685.52
Step by Step Solution
- Step 1: Write the proportion equation
79,783.11 : 119,648.34 = 26,462.84 : x - Step 2: Convert to fraction form
79,783.11/119,648.34 = 26,462.84/x - Step 3: Cross multiply
79,783.11x = 119,648.34 × 26,462.84 - Step 4: Simplify right side
79,783.11x = 3,166,234,279.44 - Step 5: Solve for x
x = 3,166,234,279.44/79,783.11 - Step 6: Final answer
x = 39,685.52
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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.