Finding the Fourth Proportional to 79,602.43, 109,887.73 and 53,452.19
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Solution
The fourth proportional to 79,602.43, 109,887.73 and 53,452.19 is: 73,788.45
Step by Step Solution
- Step 1: Write the proportion equation
79,602.43 : 109,887.73 = 53,452.19 : x - Step 2: Convert to fraction form
79,602.43/109,887.73 = 53,452.19/x - Step 3: Cross multiply
79,602.43x = 109,887.73 × 53,452.19 - Step 4: Simplify right side
79,602.43x = 5,873,739,822.63 - Step 5: Solve for x
x = 5,873,739,822.63/79,602.43 - Step 6: Final answer
x = 73,788.45
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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.