Finding the Fourth Proportional to 99,976.08, 149,964.24 and 26,104.08
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Solution
The fourth proportional to 99,976.08, 149,964.24 and 26,104.08 is: 39,156.15
Step by Step Solution
- Step 1: Write the proportion equation
99,976.08 : 149,964.24 = 26,104.08 : x - Step 2: Convert to fraction form
99,976.08/149,964.24 = 26,104.08/x - Step 3: Cross multiply
99,976.08x = 149,964.24 × 26,104.08 - Step 4: Simplify right side
99,976.08x = 3,914,678,518.10 - Step 5: Solve for x
x = 3,914,678,518.10/99,976.08 - Step 6: Final answer
x = 39,156.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.