Finding the Fourth Proportional to 80,317.58, 110,838.53 and 44,508.18
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Solution
The fourth proportional to 80,317.58, 110,838.53 and 44,508.18 is: 61,421.45
Step by Step Solution
- Step 1: Write the proportion equation
80,317.58 : 110,838.53 = 44,508.18 : x - Step 2: Convert to fraction form
80,317.58/110,838.53 = 44,508.18/x - Step 3: Cross multiply
80,317.58x = 110,838.53 × 44,508.18 - Step 4: Simplify right side
80,317.58x = 4,933,221,520.73 - Step 5: Solve for x
x = 4,933,221,520.73/80,317.58 - Step 6: Final answer
x = 61,421.45
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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.