Finding the Fourth Proportional to 73,457.18, 110,121.17 and 29,115.07
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Solution
The fourth proportional to 73,457.18, 110,121.17 and 29,115.07 is: 43,647.00
Step by Step Solution
- Step 1: Write the proportion equation
73,457.18 : 110,121.17 = 29,115.07 : x - Step 2: Convert to fraction form
73,457.18/110,121.17 = 29,115.07/x - Step 3: Cross multiply
73,457.18x = 110,121.17 × 29,115.07 - Step 4: Simplify right side
73,457.18x = 3,206,185,573.03 - Step 5: Solve for x
x = 3,206,185,573.03/73,457.18 - Step 6: Final answer
x = 43,647.00
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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.