Finding the Fourth Proportional to 76,892.06, 115,374.94 and 41,831.66
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Solution
The fourth proportional to 76,892.06, 115,374.94 and 41,831.66 is: 62,767.53
Step by Step Solution
- Step 1: Write the proportion equation
76,892.06 : 115,374.94 = 41,831.66 : x - Step 2: Convert to fraction form
76,892.06/115,374.94 = 41,831.66/x - Step 3: Cross multiply
76,892.06x = 115,374.94 × 41,831.66 - Step 4: Simplify right side
76,892.06x = 4,826,324,581.15 - Step 5: Solve for x
x = 4,826,324,581.15/76,892.06 - Step 6: Final answer
x = 62,767.53
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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.