Finding the Fourth Proportional to 86,621.63, 119,537.84 and 46,877.63
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Solution
The fourth proportional to 86,621.63, 119,537.84 and 46,877.63 is: 64,691.12
Step by Step Solution
- Step 1: Write the proportion equation
86,621.63 : 119,537.84 = 46,877.63 : x - Step 2: Convert to fraction form
86,621.63/119,537.84 = 46,877.63/x - Step 3: Cross multiply
86,621.63x = 119,537.84 × 46,877.63 - Step 4: Simplify right side
86,621.63x = 5,603,650,154.02 - Step 5: Solve for x
x = 5,603,650,154.02/86,621.63 - Step 6: Final answer
x = 64,691.12
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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.