Finding the Fourth Proportional to 86,872.23, 130,225.12 and 27,669.53
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Solution
The fourth proportional to 86,872.23, 130,225.12 and 27,669.53 is: 41,477.79
Step by Step Solution
- Step 1: Write the proportion equation
86,872.23 : 130,225.12 = 27,669.53 : x - Step 2: Convert to fraction form
86,872.23/130,225.12 = 27,669.53/x - Step 3: Cross multiply
86,872.23x = 130,225.12 × 27,669.53 - Step 4: Simplify right side
86,872.23x = 3,603,268,120.98 - Step 5: Solve for x
x = 3,603,268,120.98/86,872.23 - Step 6: Final answer
x = 41,477.79
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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.