Finding the Fourth Proportional to 80,031.98, 110,445.12 and 44,221.68
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Solution
The fourth proportional to 80,031.98, 110,445.12 and 44,221.68 is: 61,026.46
Step by Step Solution
- Step 1: Write the proportion equation
80,031.98 : 110,445.12 = 44,221.68 : x - Step 2: Convert to fraction form
80,031.98/110,445.12 = 44,221.68/x - Step 3: Cross multiply
80,031.98x = 110,445.12 × 44,221.68 - Step 4: Simplify right side
80,031.98x = 4,884,068,754.20 - Step 5: Solve for x
x = 4,884,068,754.20/80,031.98 - Step 6: Final answer
x = 61,026.46
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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.