Finding the Fourth Proportional to 80,405.91, 110,959.43 and 44,595.99
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Solution
The fourth proportional to 80,405.91, 110,959.43 and 44,595.99 is: 61,542.06
Step by Step Solution
- Step 1: Write the proportion equation
80,405.91 : 110,959.43 = 44,595.99 : x - Step 2: Convert to fraction form
80,405.91/110,959.43 = 44,595.99/x - Step 3: Cross multiply
80,405.91x = 110,959.43 × 44,595.99 - Step 4: Simplify right side
80,405.91x = 4,948,345,407.71 - Step 5: Solve for x
x = 4,948,345,407.71/80,405.91 - Step 6: Final answer
x = 61,542.06
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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.