Finding the Fourth Proportional to 102,635.29, 141,624.21 and 57,315.79
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Solution
The fourth proportional to 102,635.29, 141,624.21 and 57,315.79 is: 79,088.82
Step by Step Solution
- Step 1: Write the proportion equation
102,635.29 : 141,624.21 = 57,315.79 : x - Step 2: Convert to fraction form
102,635.29/141,624.21 = 57,315.79/x - Step 3: Cross multiply
102,635.29x = 141,624.21 × 57,315.79 - Step 4: Simplify right side
102,635.29x = 8,117,303,479.28 - Step 5: Solve for x
x = 8,117,303,479.28/102,635.29 - Step 6: Final answer
x = 79,088.82
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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.