Finding the Fourth Proportional to 80,069.19, 110,479.75 and 48,239.83
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Solution
The fourth proportional to 80,069.19, 110,479.75 and 48,239.83 is: 66,561.49
Step by Step Solution
- Step 1: Write the proportion equation
80,069.19 : 110,479.75 = 48,239.83 : x - Step 2: Convert to fraction form
80,069.19/110,479.75 = 48,239.83/x - Step 3: Cross multiply
80,069.19x = 110,479.75 × 48,239.83 - Step 4: Simplify right side
80,069.19x = 5,329,524,358.44 - Step 5: Solve for x
x = 5,329,524,358.44/80,069.19 - Step 6: Final answer
x = 66,561.49
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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.