Finding the Fourth Proportional to 84,977.25, 117,269.37 and 46,215.42
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Solution
The fourth proportional to 84,977.25, 117,269.37 and 46,215.42 is: 63,777.70
Step by Step Solution
- Step 1: Write the proportion equation
84,977.25 : 117,269.37 = 46,215.42 : x - Step 2: Convert to fraction form
84,977.25/117,269.37 = 46,215.42/x - Step 3: Cross multiply
84,977.25x = 117,269.37 × 46,215.42 - Step 4: Simplify right side
84,977.25x = 5,419,653,572.48 - Step 5: Solve for x
x = 5,419,653,572.48/84,977.25 - Step 6: Final answer
x = 63,777.70
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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.