Finding the Fourth Proportional to 80,317.53, 110,831.97 and 44,506.74
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Solution
The fourth proportional to 80,317.53, 110,831.97 and 44,506.74 is: 61,415.85
Step by Step Solution
- Step 1: Write the proportion equation
80,317.53 : 110,831.97 = 44,506.74 : x - Step 2: Convert to fraction form
80,317.53/110,831.97 = 44,506.74/x - Step 3: Cross multiply
80,317.53x = 110,831.97 × 44,506.74 - Step 4: Simplify right side
80,317.53x = 4,932,769,672.48 - Step 5: Solve for x
x = 4,932,769,672.48/80,317.53 - Step 6: Final answer
x = 61,415.85
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1.5x scale
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.