Finding the Fourth Proportional to 79,810.99, 110,145.72 and 44,004.40
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Solution
The fourth proportional to 79,810.99, 110,145.72 and 44,004.40 is: 60,729.69
Step by Step Solution
- Step 1: Write the proportion equation
79,810.99 : 110,145.72 = 44,004.40 : x - Step 2: Convert to fraction form
79,810.99/110,145.72 = 44,004.40/x - Step 3: Cross multiply
79,810.99x = 110,145.72 × 44,004.40 - Step 4: Simplify right side
79,810.99x = 4,846,896,210.82 - Step 5: Solve for x
x = 4,846,896,210.82/79,810.99 - Step 6: Final answer
x = 60,729.69
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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.