Finding the Fourth Proportional to 71,995.24, 107,985.57 and 19,410.04
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Solution
The fourth proportional to 71,995.24, 107,985.57 and 19,410.04 is: 29,113.09
Step by Step Solution
- Step 1: Write the proportion equation
71,995.24 : 107,985.57 = 19,410.04 : x - Step 2: Convert to fraction form
71,995.24/107,985.57 = 19,410.04/x - Step 3: Cross multiply
71,995.24x = 107,985.57 × 19,410.04 - Step 4: Simplify right side
71,995.24x = 2,096,004,295.32 - Step 5: Solve for x
x = 2,096,004,295.32/71,995.24 - Step 6: Final answer
x = 29,113.09
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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.