Finding the Fourth Proportional to 117,822.24, 162,589.80 and 64,107.48
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Solution
The fourth proportional to 117,822.24, 162,589.80 and 64,107.48 is: 88,465.66
Step by Step Solution
- Step 1: Write the proportion equation
117,822.24 : 162,589.80 = 64,107.48 : x - Step 2: Convert to fraction form
117,822.24/162,589.80 = 64,107.48/x - Step 3: Cross multiply
117,822.24x = 162,589.80 × 64,107.48 - Step 4: Simplify right side
117,822.24x = 10,423,222,351.70 - Step 5: Solve for x
x = 10,423,222,351.70/117,822.24 - Step 6: Final answer
x = 88,465.66
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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.