Finding the Fourth Proportional to 99,967.08, 149,921.46 and 47,362.44
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Solution
The fourth proportional to 99,967.08, 149,921.46 and 47,362.44 is: 71,029.84
Step by Step Solution
- Step 1: Write the proportion equation
99,967.08 : 149,921.46 = 47,362.44 : x - Step 2: Convert to fraction form
99,967.08/149,921.46 = 47,362.44/x - Step 3: Cross multiply
99,967.08x = 149,921.46 × 47,362.44 - Step 4: Simplify right side
99,967.08x = 7,100,646,153.96 - Step 5: Solve for x
x = 7,100,646,153.96/99,967.08 - Step 6: Final answer
x = 71,029.84
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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.