Finding the Fourth Proportional to 76,472.76, 114,664.50 and 29,670.96
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Solution
The fourth proportional to 76,472.76, 114,664.50 and 29,670.96 is: 44,489.12
Step by Step Solution
- Step 1: Write the proportion equation
76,472.76 : 114,664.50 = 29,670.96 : x - Step 2: Convert to fraction form
76,472.76/114,664.50 = 29,670.96/x - Step 3: Cross multiply
76,472.76x = 114,664.50 × 29,670.96 - Step 4: Simplify right side
76,472.76x = 3,402,205,792.92 - Step 5: Solve for x
x = 3,402,205,792.92/76,472.76 - Step 6: Final answer
x = 44,489.12
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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.