Finding the Fourth Proportional to 73,699.98, 110,457.36 and 39,964.74
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Solution
The fourth proportional to 73,699.98, 110,457.36 and 39,964.74 is: 59,896.89
Step by Step Solution
- Step 1: Write the proportion equation
73,699.98 : 110,457.36 = 39,964.74 : x - Step 2: Convert to fraction form
73,699.98/110,457.36 = 39,964.74/x - Step 3: Cross multiply
73,699.98x = 110,457.36 × 39,964.74 - Step 4: Simplify right side
73,699.98x = 4,414,399,673.49 - Step 5: Solve for x
x = 4,414,399,673.49/73,699.98 - Step 6: Final answer
x = 59,896.89
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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.