Finding the Fourth Proportional to 94,182.60, 129,976.38 and 51,745.08
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Solution
The fourth proportional to 94,182.60, 129,976.38 and 51,745.08 is: 71,410.62
Step by Step Solution
- Step 1: Write the proportion equation
94,182.60 : 129,976.38 = 51,745.08 : x - Step 2: Convert to fraction form
94,182.60/129,976.38 = 51,745.08/x - Step 3: Cross multiply
94,182.60x = 129,976.38 × 51,745.08 - Step 4: Simplify right side
94,182.60x = 6,725,638,181.21 - Step 5: Solve for x
x = 6,725,638,181.21/94,182.60 - Step 6: Final answer
x = 71,410.62
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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.