Finding the Fourth Proportional to 94,109.10, 129,813.50 and 55,843.44
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Solution
The fourth proportional to 94,109.10, 129,813.50 and 55,843.44 is: 77,030.09
Step by Step Solution
- Step 1: Write the proportion equation
94,109.10 : 129,813.50 = 55,843.44 : x - Step 2: Convert to fraction form
94,109.10/129,813.50 = 55,843.44/x - Step 3: Cross multiply
94,109.10x = 129,813.50 × 55,843.44 - Step 4: Simplify right side
94,109.10x = 7,249,232,119.22 - Step 5: Solve for x
x = 7,249,232,119.22/94,109.10 - Step 6: Final answer
x = 77,030.09
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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.