Finding the Fourth Proportional to 75,313.68, 103,901.76 and 43,459.98
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Solution
The fourth proportional to 75,313.68, 103,901.76 and 43,459.98 is: 59,956.82
Step by Step Solution
- Step 1: Write the proportion equation
75,313.68 : 103,901.76 = 43,459.98 : x - Step 2: Convert to fraction form
75,313.68/103,901.76 = 43,459.98/x - Step 3: Cross multiply
75,313.68x = 103,901.76 × 43,459.98 - Step 4: Simplify right side
75,313.68x = 4,515,568,411.56 - Step 5: Solve for x
x = 4,515,568,411.56/75,313.68 - Step 6: Final answer
x = 59,956.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.