Finding the Fourth Proportional to 99,244.08, 136,922.37 and 63,455.04
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Solution
The fourth proportional to 99,244.08, 136,922.37 and 63,455.04 is: 87,545.92
Step by Step Solution
- Step 1: Write the proportion equation
99,244.08 : 136,922.37 = 63,455.04 : x - Step 2: Convert to fraction form
99,244.08/136,922.37 = 63,455.04/x - Step 3: Cross multiply
99,244.08x = 136,922.37 × 63,455.04 - Step 4: Simplify right side
99,244.08x = 8,688,414,465.24 - Step 5: Solve for x
x = 8,688,414,465.24/99,244.08 - Step 6: Final answer
x = 87,545.92
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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.