Finding the Fourth Proportional to 75,277.11, 112,915.73 and 25,353.05
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Solution
The fourth proportional to 75,277.11, 112,915.73 and 25,353.05 is: 38,029.59
Step by Step Solution
- Step 1: Write the proportion equation
75,277.11 : 112,915.73 = 25,353.05 : x - Step 2: Convert to fraction form
75,277.11/112,915.73 = 25,353.05/x - Step 3: Cross multiply
75,277.11x = 112,915.73 × 25,353.05 - Step 4: Simplify right side
75,277.11x = 2,862,757,457.13 - Step 5: Solve for x
x = 2,862,757,457.13/75,277.11 - Step 6: Final answer
x = 38,029.59
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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.