Finding the Fourth Proportional to 75,611.08, 113,351.00 and 38,139.87
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Solution
The fourth proportional to 75,611.08, 113,351.00 and 38,139.87 is: 57,176.71
Step by Step Solution
- Step 1: Write the proportion equation
75,611.08 : 113,351.00 = 38,139.87 : x - Step 2: Convert to fraction form
75,611.08/113,351.00 = 38,139.87/x - Step 3: Cross multiply
75,611.08x = 113,351.00 × 38,139.87 - Step 4: Simplify right side
75,611.08x = 4,323,192,499.72 - Step 5: Solve for x
x = 4,323,192,499.72/75,611.08 - Step 6: Final answer
x = 57,176.71
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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.