Finding the Fourth Proportional to 84,592.74, 126,750.69 and 51,211.63
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Solution
The fourth proportional to 84,592.74, 126,750.69 and 51,211.63 is: 76,733.65
Step by Step Solution
- Step 1: Write the proportion equation
84,592.74 : 126,750.69 = 51,211.63 : x - Step 2: Convert to fraction form
84,592.74/126,750.69 = 51,211.63/x - Step 3: Cross multiply
84,592.74x = 126,750.69 × 51,211.63 - Step 4: Simplify right side
84,592.74x = 6,491,109,596.96 - Step 5: Solve for x
x = 6,491,109,596.96/84,592.74 - Step 6: Final answer
x = 76,733.65
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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.