Finding the Fourth Proportional to 94,579.68, 130,514.64 and 52,138.08
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Solution
The fourth proportional to 94,579.68, 130,514.64 and 52,138.08 is: 71,947.62
Step by Step Solution
- Step 1: Write the proportion equation
94,579.68 : 130,514.64 = 52,138.08 : x - Step 2: Convert to fraction form
94,579.68/130,514.64 = 52,138.08/x - Step 3: Cross multiply
94,579.68x = 130,514.64 × 52,138.08 - Step 4: Simplify right side
94,579.68x = 6,804,782,741.49 - Step 5: Solve for x
x = 6,804,782,741.49/94,579.68 - Step 6: Final answer
x = 71,947.62
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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.