Finding the Fourth Proportional to 80,314.84, 110,831.69 and 44,508.18
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Solution
The fourth proportional to 80,314.84, 110,831.69 and 44,508.18 is: 61,419.75
Step by Step Solution
- Step 1: Write the proportion equation
80,314.84 : 110,831.69 = 44,508.18 : x - Step 2: Convert to fraction form
80,314.84/110,831.69 = 44,508.18/x - Step 3: Cross multiply
80,314.84x = 110,831.69 × 44,508.18 - Step 4: Simplify right side
80,314.84x = 4,932,917,335.11 - Step 5: Solve for x
x = 4,932,917,335.11/80,314.84 - Step 6: Final answer
x = 61,419.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.