Finding the Fourth Proportional to 95,431.41, 143,196.30 and 39,312.99
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Solution
The fourth proportional to 95,431.41, 143,196.30 and 39,312.99 is: 58,989.75
Step by Step Solution
- Step 1: Write the proportion equation
95,431.41 : 143,196.30 = 39,312.99 : x - Step 2: Convert to fraction form
95,431.41/143,196.30 = 39,312.99/x - Step 3: Cross multiply
95,431.41x = 143,196.30 × 39,312.99 - Step 4: Simplify right side
95,431.41x = 5,629,474,709.94 - Step 5: Solve for x
x = 5,629,474,709.94/95,431.41 - Step 6: Final answer
x = 58,989.75
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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.