Finding the Fourth Proportional to 85,576.77, 128,277.68 and 29,400.03
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Solution
The fourth proportional to 85,576.77, 128,277.68 and 29,400.03 is: 44,069.99
Step by Step Solution
- Step 1: Write the proportion equation
85,576.77 : 128,277.68 = 29,400.03 : x - Step 2: Convert to fraction form
85,576.77/128,277.68 = 29,400.03/x - Step 3: Cross multiply
85,576.77x = 128,277.68 × 29,400.03 - Step 4: Simplify right side
85,576.77x = 3,771,367,493.33 - Step 5: Solve for x
x = 3,771,367,493.33/85,576.77 - Step 6: Final answer
x = 44,069.99
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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.