Finding the Fourth Proportional to 86,772.63, 130,156.50 and 27,611.85
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Solution
The fourth proportional to 86,772.63, 130,156.50 and 27,611.85 is: 41,417.00
Step by Step Solution
- Step 1: Write the proportion equation
86,772.63 : 130,156.50 = 27,611.85 : x - Step 2: Convert to fraction form
86,772.63/130,156.50 = 27,611.85/x - Step 3: Cross multiply
86,772.63x = 130,156.50 × 27,611.85 - Step 4: Simplify right side
86,772.63x = 3,593,861,754.53 - Step 5: Solve for x
x = 3,593,861,754.53/86,772.63 - Step 6: Final answer
x = 41,417.00
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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.