Finding the Fourth Proportional to 76,648.48, 114,926.88 and 29,846.56
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Solution
The fourth proportional to 76,648.48, 114,926.88 and 29,846.56 is: 44,751.99
Step by Step Solution
- Step 1: Write the proportion equation
76,648.48 : 114,926.88 = 29,846.56 : x - Step 2: Convert to fraction form
76,648.48/114,926.88 = 29,846.56/x - Step 3: Cross multiply
76,648.48x = 114,926.88 × 29,846.56 - Step 4: Simplify right side
76,648.48x = 3,430,172,019.53 - Step 5: Solve for x
x = 3,430,172,019.53/76,648.48 - Step 6: Final answer
x = 44,751.99
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1.5x scale
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.