Finding the Fourth Proportional to 79,813.62, 110,143.58 and 44,005.05
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Solution
The fourth proportional to 79,813.62, 110,143.58 and 44,005.05 is: 60,727.40
Step by Step Solution
- Step 1: Write the proportion equation
79,813.62 : 110,143.58 = 44,005.05 : x - Step 2: Convert to fraction form
79,813.62/110,143.58 = 44,005.05/x - Step 3: Cross multiply
79,813.62x = 110,143.58 × 44,005.05 - Step 4: Simplify right side
79,813.62x = 4,846,873,525.05 - Step 5: Solve for x
x = 4,846,873,525.05/79,813.62 - Step 6: Final answer
x = 60,727.40
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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.