Finding the Fourth Proportional to 87,322.96, 130,942.98 and 39,923.99
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Solution
The fourth proportional to 87,322.96, 130,942.98 and 39,923.99 is: 59,867.03
Step by Step Solution
- Step 1: Write the proportion equation
87,322.96 : 130,942.98 = 39,923.99 : x - Step 2: Convert to fraction form
87,322.96/130,942.98 = 39,923.99/x - Step 3: Cross multiply
87,322.96x = 130,942.98 × 39,923.99 - Step 4: Simplify right side
87,322.96x = 5,227,766,060.41 - Step 5: Solve for x
x = 5,227,766,060.41/87,322.96 - Step 6: Final answer
x = 59,867.03
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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.