Finding the Fourth Proportional to 102,832.44, 141,904.62 and 57,509.70
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Solution
The fourth proportional to 102,832.44, 141,904.62 and 57,509.70 is: 79,361.07
Step by Step Solution
- Step 1: Write the proportion equation
102,832.44 : 141,904.62 = 57,509.70 : x - Step 2: Convert to fraction form
102,832.44/141,904.62 = 57,509.70/x - Step 3: Cross multiply
102,832.44x = 141,904.62 × 57,509.70 - Step 4: Simplify right side
102,832.44x = 8,160,892,124.81 - Step 5: Solve for x
x = 8,160,892,124.81/102,832.44 - Step 6: Final answer
x = 79,361.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.